354 355 356 Spring valve core spring check valve one-way valve core oil return valve air pump spring plug (sold in sets of 10) 356

1、Compared with similar check valve spool, it can be used for a longer time with manufactured by new technology.

2、It is an excellent substitute for old or damaged check valve core of air compressors.

3、The spring check valve is suitable for cylinder heads of oil‑free machines and air compressors.

4、The spring check valve is made of rubber so it is durable, safe and has a long service life.

5、Preventing process flow from reversing, it is a mechanical valves that permit liquids to flow in only one direction.Item Type: Spring Check Valve

Material: Rubber10 x Rubber Stopper

10 x Spring