Falsken FAL-HTILNF-12 Condensate Neutralizer Neutralizes the acidic condensation discharge from high efficiency condensing tankless water heaters. Prevents premature deterioration or damage to metal pipe, ABS pipe, septic tanks, plants, concrete and other materials. Comes complete with fittings for most tankless water heater configurations. 12" long x 2.5" round; 3/8" FPT inlet & outlet Flow 3.8 gph gravity flow; Temperature range 40-100 F; Max pressure 125 psi