Overview Reviews Product Description The tip fits 1/2", 5/8" and 3/4" hose fittings. Water pressure can be easily controlled with one hand by squeezing the handle of the heavy-duty spray gun. The insulated handle protects your hand when using hot water to flush the cooling system. The spray gun attaches to a standard garden hose. Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #8424909080 Manufacturing country US Product Reviews Write a Review Write a Review × Lisle Heater Core Backflush Tool 60900 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *