Minisart ptfe 0.2 micron filter for hospitals Syringe Filters | VWR Description: Minisart® SRP with chemically inert hydrophobic PTFE is suitable for venting as well as harsh solvents with a pH of 1 - 14. ,512-3248EA,611-0705EA,514-1238EA,512-3148EA,510-3247EA,510-3245EA,512-3149EA