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Whirl-Pak® Filter Bags

Whirl-Pak® Filter Bags contain a middle layer of finely perforated polyethylene film, which filters out solids in the blended sample, allowing for clean plate pipetting. The hole diameter in the filter layer measures .013 inches (.33 mm), 330 microns, and there are 1,840 holes per square inch (285 per square cm). The filter layer inside the bag is sealed into the sides and bottom perimeter, allowing the sample to be placed in the bag on either side. Liquids of a blended sample will transfer through the filter, while solids remain separate and contained.

Part NumberCapacityDimensions W x HThicknessQuantityPrice
B01385WA 7 oz / 207ml3¾" x 7" / 9.5 x 18 cm3 milsPack/250$211.33
B01348WA 24 oz / 710 ml6" x 9" / 15 x 23 cm4 milPack/250$276.30
B01318WA 55 oz / 1627 ml7½" x 12" / 19 x 30 cm4 milPack/250$328.37
B01416WA 69 oz / 2041 ml7½" x 15" / 19 x 38 cm4 milPack/250$347.09
B01488WA 92 oz / 2721 ml10" x 15" / 25.4 x 38 cm4 milPack/100$258.81
B01525WA 138 oz / 4080 ml15" x 15" / 37.5 x 37.5 cm4 milPack/100$277.88