Back Flush Heater Core Tool with Air Assist THX815 Circuit Testers 3" long arm with hang

3" long arm with hang tab

even on loose gravel

mufflers and rusted bolts

Brass air inlet

57mm Bent Blade for ASTWINDK

Back Flush Heater Core Tool with Air Assist THX815 Circuit Testers 3" long arm with hangBack Flush Heater Core Tool with Air Assist Features and Benefits Tool fits 1 2", 5 8", & 3 4" heater hoses and uses a standard garden hose for water and 1 8"NPT for shop air fitting Basic garden hose hook up cleans cooling systems & heater cores without disassembly No need to use acids or caustic solutions. Radiator pressure cap prevents over boosting Water pressure can be easily controlled with ergonomic handle utilizes water and air pressure to