RO40 membrane housing has the following models of 4021, 4040, 4080, 40120, 40160 and so on. They are made of SUS304 or 316.

Features: 1) 4" RO membrane housing has 1 - 4 series 2) 4" membrane housing pipe has two types: seam and seamless 3) The Lid is made of stainless steel 4) All the accessories are made by ourselves 5) It's easy to control the quality of the products