Polyflow G Pleated Polypropylene Filter Cartridges with 222 O-Ring • 2-3/4 O.D. Max. temp. 160 FRandom fiber, 100% virgin polypropylene depth media provides high dirt loading for consistent particle retention. Thermally bonded fibers have excellent chemical/thermal compatibility and withstand the most demanding conditions. For solvent filtration, liquid clarification and recirculation, general water filtration, reagent-grade chemicals, and RO/DI prefiltration. Pltd Cart. with 222 O-Ring, 5 gpm, 3 Mic This product contains a chemical that is regulated under California Proposition 65. Warning This product contains a chemical known to the State of California to cause cancer. Warning This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.