Madison Accessories Tank Blanket 120V 72W 20 Gal Holding Tank Heater 61002 69-6542

Used to prevent freeze-ups in water tanks. 0.6 Amp heater heats a 20 gallon capacity tank. Thermostat control turns on at 40 deg & off at 58 deg. It has peel & stick aluminum backing. Measures 12 inch width x 18 inch length.