supply of refrigerant recovery unit consisting of (1) gas recovery machine suitablerefrigerant recovery unit consisting of (1) gas recovery machine suitable,refrigerant recovery unit consisting of (1) gas recovery machine suitable for r - 22, r - 407c and other category iv refrigerants working in 230 v ac, 50hz, 0.75 hp motor, 1450 rpm, oil less air cooled , piston typ e with automatic safety shut off at 38.5 bar (min), recovery rate (liquid) not less than 1.8 kgs / min equivalent to v alue make model no. vrr 12 l - 1 no, (2) empty cylinder 10 kg - 1 no, (3) double gauge manifold - 1 no., mak e acceptable - appion, robinair, inficon, value or subsequently equivalent. [ warranty period: 30 months after t he date of delivery ]