supply of 03 units of oxygen flow meter and central suction in radiodiagnosis divisions supply of 03 units of oxygen flow meter and central suction in radiodiagnosis divisions , oxygen flowmeter wall mounted type ( nebulization facility ) specification:-twin pipeline adapter b s type outlet with two back pressure flow meter unit metal type compensated and 2 nos . of suitable humidifier bottle . provsion for nebulization ( required qty: 03 ) , vaccum unit specification:-suction regulator should be supplied with a 1000 ml polysulphone collection jar autoclavable , including an anti-overflow safety device . should have wide membrane sontinuous suction controller . it should have vaccum levels:0-1000mbar/hpa should have vaccum gauge fitted with a protective bumber device should have on/off knob allowing for the quick restoration of a readjusted vaccum level . should come with suction clamp and matching probe ( by type outlet ) ( required qty: 03 )