RO40 membrane housing has the following models of 4021, 4040, 4080, 40120 and 40160.

Features & Benefits:

* 304 or 316 stainless steel construction for best chemical compatibility and corrosion resistance.

* Two styles of surface finish (both inside and outside): electro-polish or Bead blasted

* 4" RO membrane housing has 1 - 3 series

* materials of pipe: seam or seamless

* materials of lid: ABS or Stainless Steel

* High quality and reasonable price