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Whatman Grade GF/A Glass Microfiber Filters, Binder Free

Grade GF/A binder-free Whatman glass fiber filters with fine particle retention, high capacity, fast flow rates for large-volume liquid and air filtration.

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ID	Product Name
28418318	Grade GF/A Fine Retention Filter with Reinforced Rim, 60 mm circle (50 pcs)
28418321	Grade GF/A Fine Retention Filter, 110 mm circle (100 pcs)
28418322	Grade GF/A Fine Retention Filter, 125 mm circle (100 pcs)
28418329	Grade GF/A Fine Retention Filter, 13 mm circle (100 pcs)
28418323	Grade GF/A Fine Retention Filter, 150 mm circle (100 pcs)
28418308	Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs)
28418309	Grade GF/A Fine Retention Filter, 24 mm circle (100 pcs)
28418324	Grade GF/A Fine Retention Filter, 240 mm circle (100 pcs)
28418310	Grade GF/A Fine Retention Filter, 25 mm circle (100 pcs)
28418312	Grade GF/A Fine Retention Filter, 37 mm circle (100 pcs)
28418313	Grade GF/A Fine Retention Filter, 42.5 mm circle (100 pcs)
28418332	Grade GF/A Fine Retention Filter, 460 × 570 mm (25 pcs)
28418314	Grade GF/A Fine Retention Filter, 47 mm circle (100 pcs)
28418315	Grade GF/A Fine Retention Filter, 50 mm circle (100 pcs)
28418316	Grade GF/A Fine Retention Filter, 55 mm circle (100 pcs)
28418317	Grade GF/A Fine Retention Filter, 60 mm circle (100 pcs)
28418319	Grade GF/A Fine Retention Filter, 70 mm circle (100 pcs)
28418331	Grade GF/A Fine Retention Filter, 8 × 10 in (100 pcs)
28418326	Grade GF/A Fine Retention Filter, 81 mm circle (100 pcs)
28418320	Grade GF/A Fine Retention Filter, 90 mm circle (100 pcs)

The filters feature fine particle retention for a range of liquid and air filtration applications. These have a nominal particle retention of 1.6µm at 98% efficiency and are suited for a variety of applications involving large sample volumes such as:

Water and air pollution monitoring and wastewater filtering
Foodstuff analysis
Filtering of algae and bacteria cultures
Protein filtration
Radioimmunoassay of weak β emitters
Gravimetric determination of airborne particulates

Grade GF/A binder-free Whatman glass microfiber filters are available in a wide range of sizes in circles and sheets.

Find the right particle retention rating and thickness for your analysis in the Whatman binder-free glass microfiber range.

Looking for a filter paper, membrane filter, or syringe filter? Let Cytiva help you find the optimal filter for your needs to ensure reliable analysis.

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Product	Product Name	Dimensions All 460 x 570 mm (18.11 x 22.44 in) Ø 42.5 mm Ø 55 mm Ø 125 mm Ø 150 mm Ø 81 mm Ø 21 mm Ø 90 mm Ø 47 mm Ø 60 mm Ø 37 mm Ø 70 mm 8 x 10 in Ø 240 mm Ø 24 mm Ø 25 mm Ø 50 mm Ø 13 mm Ø 110 mm	Pack size All 25 pieces 100 pieces 50 pieces 1000 pieces	Price
1820-021	Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs)	Ø 21 mm	100 pieces	33.06 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-024	Grade GF/A Fine Retention Filter, 24 mm circle (100 pcs)	Ø 24 mm	100 pieces	33.06 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-025	Grade GF/A Fine Retention Filter, 25 mm circle (100 pcs)	Ø 25 mm	100 pieces	33.06 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-037	Grade GF/A Fine Retention Filter, 37 mm circle (100 pcs)	Ø 37 mm	100 pieces	39.21 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-042	Grade GF/A Fine Retention Filter, 42.5 mm circle (100 pcs)	Ø 42.5 mm	100 pieces	41.88 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-047	Grade GF/A Fine Retention Filter, 47 mm circle (100 pcs)	Ø 47 mm	100 pieces	46.41 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-050	Grade GF/A Fine Retention Filter, 50 mm circle (100 pcs)	Ø 50 mm	100 pieces	53.20 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-055	Grade GF/A Fine Retention Filter, 55 mm circle (100 pcs)	Ø 55 mm	100 pieces	48.67 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-060	Grade GF/A Fine Retention Filter, 60 mm circle (100 pcs)	Ø 60 mm	100 pieces	67.84 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-061	Grade GF/A Fine Retention Filter with Reinforced Rim, 60 mm circle (50 pcs)	Ø 60 mm	50 pieces	71.18 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-070	Grade GF/A Fine Retention Filter, 70 mm circle (100 pcs)	Ø 70 mm	100 pieces	58.86 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-090	Grade GF/A Fine Retention Filter, 90 mm circle (100 pcs)	Ø 90 mm	100 pieces	88.28 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-110	Grade GF/A Fine Retention Filter, 110 mm circle (100 pcs)	Ø 110 mm	100 pieces	120.12 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-125	Grade GF/A Fine Retention Filter, 125 mm circle (100 pcs)	Ø 125 mm	100 pieces	152.06 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-150	Grade GF/A Fine Retention Filter, 150 mm circle (100 pcs)	Ø 150 mm	100 pieces	207.00 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-240	Grade GF/A Fine Retention Filter, 240 mm circle (100 pcs)	Ø 240 mm	100 pieces	256.00 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-6537	Grade GF/A Fine Retention Filter, 81 mm circle (100 pcs)	Ø 81 mm	100 pieces	119.02 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-8013	Grade GF/A Fine Retention Filter, 13 mm circle (100 pcs)	Ø 13 mm	100 pieces	59.52 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-866	Grade GF/A Fine Retention Filter, 8 × 10 in (100 pcs)	8 x 10 in	100 pieces	416.00 USD	Add to cart Get Quote In Stock Stock on request Limited stock
1820-915	Grade GF/A Fine Retention Filter, 460 × 570 mm (25 pcs)	460 x 570 mm (18.11 x 22.44 in)	25 pieces	658.00 USD	Add to cart Get Quote In Stock Stock on request Limited stock

Whatman Grade GF/A Glass Microfiber Filters, Binder Free

Whatman Grade GF/A Glass Microfiber Filters, Binder Free

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Whatman Grade GF/A Glass Microfiber Filters, Binder Free

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