100 sheets per box Membrane Filter (Mixed Cellulose Esters) “ADVANTEC” Description Used for Water & Wastewater Treatment. Contain 100 Pieces/Box Share this postFacebookGoogle+ Related postsMembrane ElementJune 15, 2016Aquamer 2000June 12, 2016Cartridge Filter “Pureflo”June 12, 2016Antifoam A151 , A11June 12, 2016