Bel-Art Vacuum Aspirator Bottle; 1.0 Gal, Plastic (F19917-0002) Narrow-mouth lab bottle for substance control and containment, and use with vacuum aspiration systems Polypropylene body for strength, thermal performance, solvent resistance, and for its ability to be sterilized and autoclaved Included polypropylene cylindrical trap with flexible vacuum tubing helps prevent fluid from flowing into the vacuum source (sold separately) Flexible collection tubing attaches to the cap and connects to a pipette tip (sold separately) for aspiration applications Screw cap with a safety release vent helps prevent vacuum implosion