Zerostart 3200004 Lower Radiator Hose Heater, For 1-3/4" Hose | CSA Approved | 120 Volts | 600 Watts Installs in minutes in non-corrugated lower radiatior hose Thermostatically protected (245F/118C maximum heater temperature) CSA approved Hose fit size 1-3/4, Volts: 120, Watts: 600 Dimensions: 4 (includes cord) x 3 x 3