The Positive/Negative Device used some small hospitals or hospitals without vacuum pump system,

· The light weight of the unit makes it easy to handle and lightens the load on pipeline outlets and regulators

· Only three moving parts in the main control head

· Reliable and durable

· Standard millimetre brand filter acts as a bacteria filter between the jar contents and room air

· Adjustable suction control allows the suction level to be set and monitored

· Easy to read dual scale (KPa and mmHg) vacuum gauge

· Colour coded pressure gauges and identification labels for quick recognition of the gas used by the regulator

· Gas specific inlet fittings and outlet fittings to prevent fitting to the wrong gas type

Specifications