White housing/white cap, usually assemble in 2nd and 3rd stage of household RO system, can be standed 370psi.
1. Item name: white housing/white cap. 
2. Size: 10". 
3. Port size: 1/4", 3/8", 1/2", 3/4" is available. 
4. Blue color is available. 
5. 2 o’ring.