Handy tool - a sturdy, leakproof radiator flush tee is an essential and convenient tool for thoroughly flushing the entire coolant system, not just the radiator Application-specific - HELP! flush tees are available in a variety of sizes and assortments for installation on the heater inlet hose; check the product details to select the right flush tee(s) Durable construction - designed and manufactured to strict specifications for reliable performance Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience Trustworthy quality - backed by team of auto parts experts and engineers in the United States, and 100 years of aftermarket experience