Protective device preventing fluid and aerosol contamination of vacuum pumps and aspiration suction systems. Also eliminates hazardous exhaust. Install Vacu-Guard® in tubing line immediately before vacuum pump. Polypropylene housing. PTFE membrane. Stepped hose barbs. Particle retention in air ó0.1 µm 99.99%. Maximum pressure rating 0.9 bar (14 psi).