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Hydronix SPV-4040-34 SS Membrane Housing 4"x40" 3/4" Ports

SKU SPV-4040-34
Original price $199.99 - Original price $199.99
Original price
$199.99 - $199.99
Current price $199.99

The Hydronix SPV-4040-34 4" x 40" Stainless Steel Pressure Vessel is designed for use in commercial reverse osmosis, nanofiltration and ultrafiltration applications. These seamless body RO housings accommodate standard 4" membranes and withstand pressures up to 250 PSI.

  • Accommodates All Standard 4" x 40" Sized Membranes
  • 3/4" Feed Port
  • 3/4" Permeate Port
  • Made of 304 Stainless Steel
  • Will not be affected by UV Rays or Sunlight
  • Lighter than PVC
  • More durable than PVC
  • Will not warp, crack, or weep like fiberglass (FRP housings equivalent in pressure rating)
  • Molded "U-Type" clamp closures provide a strong seal

Clamps, screws, Black end caps and O-rIngs included. O-rings are pre-installed on the end caps.

Customer Reviews

Based on 3 reviews

Like a knucklehead, I dropped this housing before we could even install it. To my surprise, it didn't deform in any way. Color me impressed!


The housing is quality made. It's heavy duty and very tough.

George C.
Very reliable membrane

I own a 5 bay DIY carwash and this membrane provides my business enough RO water to last 24/7. Never had issues, never leaked on me, water is pure and my customers love the spot-free rinse that is available. Even on my busiest days such as Saturday and Sundays, this membrane keeps pumping out pure water.