Ideal for venting (sterile isolation) and in-line filtration and isolation (gases pass; liquids and aerosols are stopped). Hydrophobic PTFE membrane. Solvent resistant polypropylene housing. Compact, efficient, autoclavable, and biosafe. All seals are fused without adhesives or metal. The 0.1µm devices are for ultra clean applications. The 1.0µm devices have depth prefilters for extended life, good for highly contaminated solutions. Connections: 1/4" to 3/8" hose barb except 33508-06, which takes 3/8" to 1/2".