A twin-cylinder aspirator producing high-vacuum, high-flow for medical suction. Portable and durable design. Our most powerful suction unit. Max working flow 1 ~30-34 l/min Max vacuum pressure ~675 mmHg Pressure display analog gauge Weight 4.7 kg / 10.4 lbs Dimensions 36 cm x 15 cm x 21 cm Electrical requirements 110-120V/220-240V (50-60Hz) Accessories 800 ml collection canister 2 microbial filt intermediate tubing suction tubing Approvals US FDA 510k