Tender For supply of heavy duty industrial evaporative aircooller, plastic body, controller type: knob controller, a irflow (meter cube/hr)- 16000 or above, motor power- 750 watt or above, fan type- axial fan, speed contr ol- 3 speed, noise -(dba) = 68, cover area - 1500-2500 (sq.ft.), water tank capacity- 180 ltr or above, wa ter consumption- 15-20 l/hour, voltage: 220-240 volt, 50 hz, cooling medium: honey comb pad, auto wat er inlet, water level indicator, blade- 4, safety steel mesh. ]