Freeze Spray 3.5oz CanAn economical, general-purpose freeze spray with a wide spray for cooling to test the functionality of the heater just sprays on the test area of your heater to turn it on.To test the functionality of the heater, just spray the test area of your heater to turn it on.The economical, general-purpose freeze spray with a wide spray for cooling. We recommend testing upon installation and then 4 times a year.Features:Rapidly cool an area to –60°F/–51°CWide spray for cooling large areas immediatelySafe on plasticsNon-flammableCFC/HCFC free & ozone-safeSpecifications:Weight: 1 lb.Dimensions: 7 × 2.5 × 2.5 in.