Jun 28, 2021 Final supernatants were filtered through the Acrodisc® syringe filters, GHP membrane, diam. 13 mm, pore size 0.45 μm (Pall Corporation, Syringe Filters - GHP Acrodisc® and GHP Acrosdisc® GF, Pall . GHP (hydrophilic polypropylene) membrane is a versatile filter for aqueous and aggressive organic Other products by Pall Gelman ...