Built-in pump quickly aspirates fluids from pipet tip, Pasteur pipet or serological pipet inserted into the collection tube Maintains low noise level (76db at 1 meter) and minimal vibration Excellent for fluid collection from tissue and/or cell culture, Petri dishes, plates, flasks and tubes Chemical and corrosion resistant polypropylene collection bottle holds 3800mL (1 gallon) fluid wastes and has a safety release vent to prevent vacuum implosion A replaceable hydrophobic filter seals itself if it becomes wet protecting the pump motor from fluid contamination Lightweight and compact design will not crowd workspace in a hood or at the bench