The ASPIRE Laboratory Aspirator (V0020) incorporates a quiet maintenance-free pump inside a sturdy yet compact base The vacuum pressure is fully adjustable with a conveniently located pressure gauge that displays the vacuum level at all times Compact Design Built-in Vacuum Pump Adjustable Vacuum Pressure Vacuum Gauge Safe and Precise Aspiration The ASPIRE is an ideal choice for a wide range of laboratory aspirating applications including removal of media from tissue culture vessels or plates and supernatants An ergonomic hand held controller is included and holds standard 200 to 300ul disposable pipette tips The hand held controller and adapters are made of POM (Polyoxymethylene) and fully autoclavable The Polycarbonate collection bottle incorporates a reliable Overflow Protection Valve that closes off the tube to the vacuum in the event of a full bottle In addition the replaceable in-line filter protects the vacuum pump from contaminants and any moisture that comes through the b