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CLR PRO&#174; Heavy Duty Radiator Flush and Cleaner is formulated to remove heavy scale buildup and rust in later model radiators. Removes scale buildup 10x more effectively than the leading product and it removes more scale in 10 minutes than competitive products do in 3 hours. (Proven in third-party tests. Based on 30 minute flush with average 3 gallon radiator). Readily biodegradable and contains no phosphates, ammonia or bleach. Safe for employees. Heavy duty to extend the life of vehicles. Great for use on: Radiators, Heater Cores, HVAC, Safe on Aluminum, Stainless Steel, Copper, Brass, PVC/Plastic, Vinyl, Fiberglass, Rubber Parts.

CLR PRO&#174; Automotive Heavy Duty Radiator Flush & Cleaner 1 Gal - Pkg Qty 4

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