OTC Tools (7448A) Fuel Injection Cleaner Canister Designed for direct fuel rail and injection cleaning Debris that is loosened or dissolved is then combusted and ultimately removed through the vehicles exhaust system Machined from stainless steel, the hydraulic cylinder has a 22 ounce capacity, and is able to handle pressures up to 30,000 PSI The full size cap makes adding solvents easy and spill proof 3-1/2" gauge makes setting the outlet pressure simple and accurate