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