Nasco Bag Whrlpk Fltr 7.5x12in Pk250 Unit PK. Made from extra-heavy polyethylene with a strong perimeter seal. Features filter layer to separate liquid and solids for easy pipetting of sample. 4.0mil thickness. Dimensions: 30Lx19Wcm. Specifications for Nasco Bag Whrlpk Fltr 7.5x12in Pk250 B01318WA: Manufacturer: Nasco Volume: 55 oz Package Contents: Nasco Bag Whrlpk Fltr 7.5x12in Pk250 B01318WA / 11216-515 The Nasco Bag Whrlpk Fltr 7.5x12in Pk250 B01318WA is a quality addition to the Nasco lineup. For more great deals on Laboratory Consumables by Nasco please browse our Nasco Laboratory Consumables page. Nasco Bag Whrlpk Fltr 7.5x12in Pk250 B01318WA Unit PK