Air System Fill Valve, 4mm Airline, by Jet Model Products

JMP One Way Fill Valve - 4mm Airline Fittings. The JMP 1-Way Fill Valve is a precision machined check valve. It uses a checking concept found in expensive demanding aerospace equipment. Mounts to the model's control board using the included washer and nut. Offered in two configurations; standard 1/8" airline nipples or 4mm nipples. Use with the JMP Tapered Fill Adaptor for easy connect and disconnect to the air supply.