Acrodisc® syringe filters GHP membrane, diam. 25 mm, pore GHP membrane, diam. 25 mm, pore size 0.45 μm Properties material GHP membrane polypropylene housing polypropylene membrane (hydrophobic) sterility non-sterile feature glass fiber prefilter packaging pkg of 50 ea manufacturer/tradename Gelman 4560 diam. 25 mm volume ≤150 mL pore size 0.45 μm fitting female Luer inlet (lock) male Luer outlet