GVS 1213893 capsule filter, polypropylene media, hydrophobic, non sterile, 0.22?m Pore size, 5.9 FT2 filtration area, 0.5 inch male NPT, 31 cm Length, polypropylene. GVS 1213893 capsule filter, polypropylene media, hydrophobic, non sterile, 0.22?m Pore size, 5.9 FT2 filtration area, 0.5 inch male NPT, 31 cm Length, polypropylene. 1213893. 0.22?m Pore size. 5.9 FT2 filtration area. 0.5 inch male NPT..... 0.22?m Pore size. 5.9 FT2 filtration area. 0.5 inch male NPT....