When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay. NEW Rare! Sealed Pack LOT of 500 Gelman Filter Polypropylene 20mm pn#- 61755 This product data sheet is originally written in English. NEW Rare! Sealed Pack LOT of 500 Gelman Filter Polypropylene 20mm pn#- 61755 This is good to go. Will work perfect or money back. you get all one money. YOU CANT FIND THIS SIZE ANYWHERE!! Buy this now!! NEW Rare! Sealed Pack LOT of 500 Gelman Filter Polypropylene 20mm pn#- 61755 This is good to go. Will work perfect or money back. you get all one money. YOU CANT FIND THIS SIZE ANYWHERE!! Buy this now!! Model 20 GA Type membrane MPN laboratory Brand Gelman UPC Does not apply