- All Polyethylene pleated filter cartridge- Thermal bonded construction ensure integrity- Manufactured for air and gas filtration - Can be autoclaved or steam sterilizedMaterials Polyethylene filter medium Polyethylene cage, core and adaptorsApplications Bacteria filtration(based on air flow) Fine chemicals Solvents Vent filtrationCartridge specifications I.D/O.D 28mm/63mm 28mm/68mm Length 2.5"- 40" Grade 8 micron Cartridge style DOE 222 /Flat 226 /Fin 222 /Flat 226 /Fin