1/4-Inch UCDBINJ Injection Check Valve Replacements for Pumps Compatible With Most 45, 85, 100 And 170 Series, Classic Series, Single Head, S420, S128, S10p, Vx, Sv, S Series Duckbill Valves Pump Part

["Compatibility: 1/4 inch UCDBINJ injection check valve compatible with 45, 85, 100 and 170 Series, Classic Series, Single Head, S420, S128, S10P, VX, SV, S series pump, peristaltic pump and chlorinator pumps. (Note: Not for S40, S4V, S44, S4M, S50, S54, S5V)","Effective Backflow: This 1/4 inch injection check valve is specially designed for chlorinator pumps. One-way flow design prevents liquid backflow and leakage, ensuring stable and safe equipment operation","High Quality: The injection check valve kit is made of PC, TPE and PP. Chlorine & corrosion resistant, excellent one-way sealing with zero backflow, anti-siphon, pressure resistant up to 100 PSI, durable for long-term use","Easy to Intall: Simply screw the valve body into the corresponding pipe port on the pump and tighten it securely.Tips: Align the flow arrow on the valve toward the main pipe for proper fluid direction.","Wide Application: The 1/4-inch duckbill check valve is widely used at the ends of dosing lines in water treatment, industrial chemical dosing, swimming pools, circulating water systems, and similar applications"]