Products

Suppliers
Filter Gallery
115,189

Filtration Media

Products
Filter Media Air Filter Media Anthracite Filter Media Fiberglass Filter Media Activated Carbon Filter Media Water Filter Media

Sorry! No matches were found.

Industrial Wastewater Filtration Anthracite Filter Media for Drinking Water Treatment

Industrial Wastewater Filtration Anthracite Filter Media for Drinking Water Treatment

US $ 300-1,000 / Ton FOB
1 Ton (MOQ)
More
Main Products: Powder Activated Carbon, Granular Activate Carbon, Pelletized Activated Carbon, Honeycomb Activated Carbon, Wood Activated Carbon, Coconut Shell Activated Carbon, Filter Media
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Guangdong Tongke Activated Carbon Co., Ltd.

Guangdong, China Since 2023
Chat Now Send Inquiry
Premium Activated Carbon: Purification and Filtration Media

Premium Activated Carbon: Purification and Filtration Media

1 Ton (MOQ)
More
Appearance : Granular
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shanxi Xinhua Carbon Technology Industry Co., Ltd

Manufacturer/Factory

Shanxi, China Since 2024
Chat Now Send Inquiry
China Air for Aotomotive Amusen Cartridge Filter Oil Filtration Media

China Air for Aotomotive Amusen Cartridge Filter Oil Filtration Media

US $ 1.1-5 / kg FOB
2,000 kg (MOQ)
More
Main Products: Filter Paper, Fiberglass Air Filter Paper, Air Filter Paper, Oil Filter Paper, Fuel Filter Paper, Heatsealable/Nonheatsealable Coffee Filter Ppaer, Heatsealable/Nonheatsealable Teabag Filter Ppaer, Fiberglass Air Filter Paper for HEPA, H13-H14 HEPA Filter Paper, HEPA/Ashrae/ULPA Air Filter Paper
Contact Supplier
Audited Supplier Audited Supplier Since 2020
HEBEI AMUSEN FILTER PAPER CO., LTD.

Manufacturer/Factory

Hebei, China Since 2020
Chat Now Send Inquiry
Zinc-Rich Mineralizing Powder Filter Media for Water Filtration

Zinc-Rich Mineralizing Powder Filter Media for Water Filtration

US $ 3.6 / share FOB
200 share (MOQ)
More
Application : Food and Beverage
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Wuhan Zondy W&R Environmental Technology Co., Ltd.

Manufacturer/Factory

Hubei, China Since 2024
Chat Now Send Inquiry
UNM Cleanable Waterproof Laminated ePTFE Filter Media 0.45 um 1um For Chemical Liquid Filtration

UNM Cleanable Waterproof Laminated ePTFE Filter Media 0.45 um 1um For Chemical Liquid Filtration

US $ 8.5-9 / Square Meter FOB
450 Square Meters (MOQ)
More
Main Products: PTFE, E-PTFE, Filter Element, PTFE Membrane
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Suzhou Unique New Material Sci. & Tech. Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2022
Chat Now Send Inquiry
Rings Ceramic Filter Media for Fish Pond Filtration

Rings Ceramic Filter Media for Fish Pond Filtration

US $ 512-668 / Ton FOB
1 Ton (MOQ)
More
Type : Filters & Accessories
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Bests Industrial and Trading Co., Ltd

Manufacturer/Factory,Trading Company

Anhui, China Since 2023
Chat Now Send Inquiry
Premium ISO9001 Certified Oil Filtration Media for Engines

Premium ISO9001 Certified Oil Filtration Media for Engines

US $ 1.1-5 / kg FOB
2,000 kg (MOQ)
More
Main Products: Filter Paper, Fiberglass Air Filter Paper, Air Filter Paper, Oil Filter Paper, Fuel Filter Paper, Heatsealable/Nonheatsealable Coffee Filter Ppaer, Heatsealable/Nonheatsealable Teabag Filter Ppaer, Fiberglass Air Filter Paper for HEPA, H13-H14 HEPA Filter Paper, HEPA/Ashrae/ULPA Air Filter Paper
Contact Supplier
Audited Supplier Audited Supplier Since 2020
HEBEI AMUSEN FILTER PAPER CO., LTD.

Manufacturer/Factory

Hebei, China Since 2020
Chat Now Send Inquiry
Imported Merv8-14 Washable Roll G4 for Pre Filtration Media

Imported Merv8-14 Washable Roll G4 for Pre Filtration Media

1 Piece (MOQ)
More
Medium Material : Synthetic Fiber
Contact Supplier
Audited Supplier Audited Supplier Since 2011
Guangzhou Clean-Link Filtration Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2011
Chat Now Send Inquiry
Filter Tube Set Media Water Filtration Fish Pond Tricking Filter Bio Block Media

Filter Tube Set Media Water Filtration Fish Pond Tricking Filter Bio Block Media

US $ 150-200 / CBM FOB
1 CBM (MOQ)
More
Main Products: Dissolve Air Floating, Tube Settler, Tube Diffuser, Disc Diffuser, Sludge Dewater Machine, Biomedia, Diffuser, Water Treatment Equipment, Water Treatment, Mbbr
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Hangzhou Nihao Environmental Tech Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2022
Chat Now Send Inquiry
High Quality Wastewater Filtration Mbbr Bio Filter Media

High Quality Wastewater Filtration Mbbr Bio Filter Media

US $ 180-230 / cubic meter FOB
20 cubic meter (MOQ)
More
Usage : Industrial, Agriculture
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Tongxiang Juli Plastic Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
UNM Waterproof Laminated ePTFE Filter Media 0.1um 0.2um 0.45 um For Chemical Liquid Filtration

UNM Waterproof Laminated ePTFE Filter Media 0.1um 0.2um 0.45 um For Chemical Liquid Filtration

US $ 8.5-9 / Square Meter FOB
450 Square Meters (MOQ)
More
Main Products: PTFE, E-PTFE, Filter Element, PTFE Membrane
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Suzhou Unique New Material Sci. & Tech. Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2022
Chat Now Send Inquiry
Wholesale Bio Bacteria House Ceramic Koi Filter Media Aquarium for Pond Filtration

Wholesale Bio Bacteria House Ceramic Koi Filter Media Aquarium for Pond Filtration

US $ 38-39.89 / Boxes FOB
10 Boxes (MOQ)
More
Size of Aquariums : Large, Mini, Middle
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Bests Industrial and Trading Co., Ltd

Manufacturer/Factory,Trading Company

Anhui, China Since 2023
Chat Now Send Inquiry
Air Filter Filter Element Industrial Water Filter Filter Bag & Cartridge Filter Cloth Filter Paper
Agarose Media Gel Filtration Chromatography Media Equal to Sepharose Cl-4b

Agarose Media Gel Filtration Chromatography Media Equal to Sepharose Cl-4b

US $ 800-1,000 / Gram/Grams FOB
1 Gram/Grams (MOQ)
More
Main Products: Ion Exchange Resin, Absorbent Resin, Chelating Resin, Chromatographic Media, Catalyst Resin, Mixed Bed Ion Exchange Resin, Enzyme Carriers, Solid Phase Peptide Synthesis, Life Sciences, Equipment and Projects
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Sunresin New Materials Co. Ltd

Manufacturer/Factory

Shaanxi, China Since 2022
Chat Now Send Inquiry
Yellow Air for Aotomotive Amusen Filter Cartridge Oil Filtration Media

Yellow Air for Aotomotive Amusen Filter Cartridge Oil Filtration Media

US $ 1.1-5 / kg FOB
2,000 kg (MOQ)
More
Corrugation Depth : 0.30mm
Contact Supplier
Audited Supplier Audited Supplier Since 2020
HEBEI AMUSEN FILTER PAPER CO., LTD.

Manufacturer/Factory

Hebei, China Since 2020
Chat Now Send Inquiry
Ceramic Sand Filter Material Water Treatment Filter Media Filtration

Ceramic Sand Filter Material Water Treatment Filter Media Filtration

US $ 150 / Ton FOB
1 Ton (MOQ)
More
Main Products: Ceramic Packing, Plastic Packing, Metal Packing, Molecular Sieve, Activated Alumina, Structured Packing, Water Treatment Filter Media, Alumina Grinding Media, Honeycomb Ceramic
Contact Supplier
Audited Supplier Audited Supplier Since 2018
Jiangxi Kelley Chemical Packing Co., Ltd.

Manufacturer/Factory

Jiangxi, China Since 2018
Chat Now Send Inquiry
Fiberglass Filter Media For Oil/Liguid Filtration

Fiberglass Filter Media For Oil/Liguid Filtration

500 KG (MOQ)
More
Pattern : Plain
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Chongqing Zaisheng Technology Corp., Ltd.

Manufacturer/Factory

Chongqing, China Since 2008
Chat Now Send Inquiry
UNM High Filtration Efficiency ePTFE Nano-mask Composite Media Manufacturer

UNM High Filtration Efficiency ePTFE Nano-mask Composite Media Manufacturer

US $ 1-1.2 / Square Meter FOB
450 Square Meters (MOQ)
More
Main Products: PTFE, E-PTFE, Filter Element, PTFE Membrane
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Suzhou Unique New Material Sci. & Tech. Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2022
Chat Now Send Inquiry
Forst High Quality Paint Arrest Filtration Fiberglass Filter Media

Forst High Quality Paint Arrest Filtration Fiberglass Filter Media

US $ 0.7-0.8 / Square Meter FOB
10,000 Square Meters (MOQ)
More
Type : Spray Booth
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Suzhou Forst Filter Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Jiangsu, China Since 2015
Chat Now Send Inquiry
Exhaust Gas Filtration Activated Carbon Synthetic Fiber Cotton Media for Water Purification

Exhaust Gas Filtration Activated Carbon Synthetic Fiber Cotton Media for Water Purification

US $ 2.2-3.2 / cubic meter FOB
10 cubic meter (MOQ)
More
Main Products: Air Filter, Spray Booth Filter, Filter Housing, Industrial Filter, Clean Room Filter, HEPA Filter, Pocket Filter, Compact Filter, Paint Stop Filter, Ceiling Filter
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Guangzhou RT Air Filtech Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
Chat Now Send Inquiry
3 Micron High Filtration Precision Polyester Filter Ball Polyest Fiber Water Filter Ball Media

3 Micron High Filtration Precision Polyester Filter Ball Polyest Fiber Water Filter Ball Media

US $ 3.4-5 / Bag FOB
49 Bags (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Henan Lvyuan Water Treatment Technology Co., Ltd.

Manufacturer/Factory

Henan, China Since 2019
Chat Now Send Inquiry
Related Videos
  • What is Industrial Wastewater Filtration Anthracite Filter Media for Drinking Water Treatment
    What is Industrial Wastewater Filtration Anthracite Filter Media for Drinking Water Treatment
    Negotiable
    1 Ton (MOQ)
    Contact Supplier
  • What is Imported Merv8-14 Washable Roll G4 for Pre Filtration Media
    What is Imported Merv8-14 Washable Roll G4 for Pre Filtration Media
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Agarose Media Gel Filtration Chromatography Media Equal to Sepharose Cl-4b
    What is Agarose Media Gel Filtration Chromatography Media Equal to Sepharose Cl-4b
    Negotiable
    1 Gram/Grams (MOQ)
    Contact Supplier
  • What is Fiberglass Filter Media For Oil/Liguid Filtration
    What is Fiberglass Filter Media For Oil/Liguid Filtration
    Negotiable
    500 KG (MOQ)
    Contact Supplier
Efficiency Aquarium Filter Media Bio Balls Superior Filtration

Efficiency Aquarium Filter Media Bio Balls Superior Filtration

US $ 705-908.2 / Ton FOB
1 Ton (MOQ)
More
Main Products: Aquarium Supplies, Reptile Supplies, Aquaculture Supplies, Pet Supplies, Aquarium Filter, Aquarium Light, Aquarium Soil, Aquarium Pump, Reptile Light, Bio Filter Media
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Bests Industrial and Trading Co., Ltd

Manufacturer/Factory,Trading Company

Anhui, China Since 2023
Chat Now Send Inquiry
Modular Biochip Media Enables Scalable Biological Filtration for Municipal Sewage.

Modular Biochip Media Enables Scalable Biological Filtration for Municipal Sewage.

US $ 500-600 / m3 FOB
1 m3 (MOQ)
More
Usage : Industrial, Agriculture, Hospital
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Tongxiang Small Boss Special Plastic Products Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2010
Chat Now Send Inquiry
Black Birm Iron Filter /Water Filtration /Iron Removal Media

Black Birm Iron Filter /Water Filtration /Iron Removal Media

US $ 138-580 / Ton FOB
1 Ton (MOQ)
More
Main Products: Activated Carbon, Refractory Brick, Refractory Castable, Wood Activated Carbon, Coal Activated Carbon, Anthracite Filter, Granular Activated Carbon, Powder Activated Carbon, Coconut Shell Activated, Brown Corundum
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Gongyi Yuying Refractory Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Manganese Sand Filter Material Manganese Media with Size2-4mm for Sewage Water Filtration

Manganese Sand Filter Material Manganese Media with Size2-4mm for Sewage Water Filtration

US $ 300-350 / Ton FOB
1 Ton (MOQ)
More
Form : Granules
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hunan Daji Manganese Industry Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2024
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

High Efficiency Filtration Activated Carbon Air Filter Media

High Efficiency Filtration Activated Carbon Air Filter Media

US $ 50-150 / Roll FOB
1 Roll (MOQ)
More
Main Products: Air Filter, HEPA Filter, Paint Arrestor, Bag Filter, Panel Filter, Pocket Filter, Pleated Filter, Air Intake Filter, Filter Material, Spray Booth Filter
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Guangzhou Sun Holy Wind Air Cleaning Products Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2010
Chat Now Send Inquiry
Upgrade Your System Today: Bio-Ball Media Is The Future of Filtration

Upgrade Your System Today: Bio-Ball Media Is The Future of Filtration

US $ 0.07 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Zhongshan Laswim Lss Equipment Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Premium Quantitative Amusen Oil Filtration Media with Plastic and Brown Paper

Premium Quantitative Amusen Oil Filtration Media with Plastic and Brown Paper

US $ 1.1-5 / kg FOB
2,000 kg (MOQ)
More
Main Products: Filter Paper, Fiberglass Air Filter Paper, Air Filter Paper, Oil Filter Paper, Fuel Filter Paper, Heatsealable/Nonheatsealable Coffee Filter Ppaer, Heatsealable/Nonheatsealable Teabag Filter Ppaer, Fiberglass Air Filter Paper for HEPA, H13-H14 HEPA Filter Paper, HEPA/Ashrae/ULPA Air Filter Paper
Contact Supplier
Audited Supplier Audited Supplier Since 2020
HEBEI AMUSEN FILTER PAPER CO., LTD.

Manufacturer/Factory

Hebei, China Since 2020
Chat Now Send Inquiry
Fiberglass Synthetic Air Filtration Media

Fiberglass Synthetic Air Filtration Media

US $ 1 / Square Meter FOB
100 Square Meters (MOQ)
More
Filter Bag Filter : The Filter Type
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Anhui Yuanchen Environmental Protection Science And Technology Co., Ltd.

Manufacturer/Factory

Anhui, China Since 2007
Chat Now Send Inquiry
Hot Selling Merv 9~10 Filtration 560g with Glue Ceiling Air Filter Media

Hot Selling Merv 9~10 Filtration 560g with Glue Ceiling Air Filter Media

US $ 2.15 / Square Meter FOB
50 Square Meters (MOQ)
More
Main Products: HEPA Filter, Panel Filter, Pocket Filter, Ceiling Filter, Industrial Dust Collector, Blue and White Filter, Activated Carbon Filter, Washable Filter, Paper Filter, High Temperature Filter
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Guangdong Fresh Filter Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2016
Chat Now Send Inquiry
High Quality Anthracite Filter Media Anthracite Cm Lump, Black Granular Media for Water Filtration 80-95% <8% 4%

High Quality Anthracite Filter Media Anthracite Cm Lump, Black Granular Media for Water Filtration 80-95% <8% 4%

US $ 200-300 / Ton FOB
10 Tons (MOQ)
More
Application : Anthracite Coal
Contact Supplier
Audited Supplier Audited Supplier Since 2025
Zhengzhou Shanjie District Qianjiaxin New Material Firm

Manufacturer/Factory,Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
Reticular Tube Structure Bio Block Plastic Filter Tube Set Media Water Filtration

Reticular Tube Structure Bio Block Plastic Filter Tube Set Media Water Filtration

US $ 150-200 / CBM FOB
1 CBM (MOQ)
More
Main Products: Dissolve Air Floating, Tube Settler, Tube Diffuser, Disc Diffuser, Sludge Dewater Machine, Biomedia, Diffuser, Water Treatment Equipment, Water Treatment, Mbbr
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Hangzhou Nihao Environmental Tech Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2022
Chat Now Send Inquiry
UNM Waterproof and Venting Laminated ePTFE Filter Media 0.45 um 1um For Chemical Liquid Filtration

UNM Waterproof and Venting Laminated ePTFE Filter Media 0.45 um 1um For Chemical Liquid Filtration

US $ 8.5-9 / Square Meter FOB
450 Square Meters (MOQ)
More
Type : MF
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Suzhou Unique New Material Sci. & Tech. Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2022
Chat Now Send Inquiry
Aramid Fabric Nomex Needle Felt Air Filtration Filter Media

Aramid Fabric Nomex Needle Felt Air Filtration Filter Media

US $ 2-9 / Piece FOB
1 Piece (MOQ)
More
Main Products: Filter Cloth, Filter Bag, Industrial Dust Collector, Bag Filter, Filter, Candle Filter Demister, Filter Press Cloth, Candle Mist Eliminator, Nomex Filter, PTFE Filter Bag
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Hangzhou Createch Machinery Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2015
Chat Now Send Inquiry
High-Quality PPS Filter Media for Efficient Filtration Solutions

High-Quality PPS Filter Media for Efficient Filtration Solutions

US $ 1-9 / Square Meter FOB
100 Square Meters (MOQ)
More
Paper Type : Qualitative
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Jiangsu Aokai Environmental Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2017
Chat Now Send Inquiry
Mno2 45% Manganese Sand Filter Media for Filtration

Mno2 45% Manganese Sand Filter Media for Filtration

US $ 200-600 / Ton FOB
1 Ton (MOQ)
More
Main Products: Manganese Sand Filter Media, Manganese Ore, Manganese Dioxide, Manganese Dioxide Powder, Furnace Washing Manganese Ore, Manganese Sand, Manganese Greensand, Iron and Manganese Removal, Ceramic Materials Dioxide, Filter Media Sand for Water Tank
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hunan Daji Manganese Industry Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2024
Chat Now Send Inquiry
Air for Aotomotive Wood Pulp Filter Cartridge Oil Filtration Media

Air for Aotomotive Wood Pulp Filter Cartridge Oil Filtration Media

US $ 1.1-5 / kg FOB
2,000 kg (MOQ)
More
Color : Yellow
Contact Supplier
Audited Supplier Audited Supplier Since 2020
HEBEI AMUSEN FILTER PAPER CO., LTD.

Manufacturer/Factory

Hebei, China Since 2020
Chat Now Send Inquiry
Filter Media Air Filter Media Anthracite Filter Media Fiberglass Filter Media Activated Carbon Filter Media Water Filter Media
View More

Related Searches

Water Filtration Filter Media Filtration Filtration Equipment Filtration System Media Supplies Media Product Filtration Filter Industrial Filtration Air Filtration

Browse by Categories

Home > Industrial Equipment & Components > Air Clean Equipment > Air Filter
1/834
TOP

Search Filter

Categories

More Less
  • Air Filter
  • Filter Element
  • Industrial Water Filter
  • Filter Bag & Cartridge
  • Filter Cloth
  • Filter Paper
  • Sewage Treatment Equipment
  • Filter Membrane
  • Water Treatment Chemical
  • Other Chemical Fillings

Clapboard

More Less
  • without Clapboard
  • with Clapboard

Filter Number

More Less
  • 1
  • 32
  • 3
  • 5
  • 21
  • 9
  • 15
  • 13
  • 11
  • 7

Filtration Grade

More Less
  • HEPA Filter
  • Pre Filter
  • Medium Filter
  • ULPA Filter

Medium Material

More Less
  • Synthetic Fiber
  • Fiberglass
  • Nonwoven Fabric
  • Stainless Steel Mesh
  • PP
  • Nylon Mesh
  • Cotton

Type

More Less
  • Panel Filter
  • Cartridge Filter
  • Bag Filter
  • V Bank Filter
  • Folded Filter

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Henan
  • Zhejiang
  • Guangdong
  • Shandong
  • Hebei
  • Jiangsu
  • Shanghai
  • Anhui
  • Jiangxi
  • Hunan
  • Liaoning
  • Ningxia
  • Fujian
  • Tianjin
  • Sichuan
  • Shanxi
  • Hubei
  • Shaanxi
  • Guangxi
  • Chongqing
  • Beijing
  • Inner Mongolia
  • Hainan
  • Taiwan, China
  • Gansu

Product Types

More Less
  • SecuredTrading
  • Buy Sample
Reset Done