Designed for Use with the New Sentino Microbiology Pump-Variety of sizes - Available in 150, 300, and 500 mL. Convenient 150 mL size easily fits into small autoclaves; 500 mL size is ideal for large sample filtration.-Easy to use - No-leak magnetic seal allows one-handed operation.-Safe to use - Sturdy, polyphenylsulfone plastic construction is shatterproof and offers broad range of chemical compatibility.-Simple placement - Membrane guides help center filter on platform.-Quick point of entry - Forceps access point allows easy filter retrieval.-Accurate - Graduated at 50 mL increments for precise sample measurement. This product is not approved for use in medical, clinical, surgical or other patient applications.