The non-sterile vent filters feature a polypropylene housing with a 0.2 µm hydrophobic PTFE membrane—ideal for maintaining purified water storage in carboys or for sterile venting during a slow exhaust/liquid autoclave cycle of EZgrip™ carboys. They can withstand up to 10 autoclave cycles, feature a stepped hose barb, and are available in 40 mm gamma safe or 50 mm autoclave only membrane sizes.