4"x21" Stainless Steel Membrane Housing 1/2" Ports

The SPV-4021-12 4" x 21" Stainless Steel Pressure Vessel is designed for use in light commercial reverse osmosis, infiltration, and ultrafiltration applications. These seamless body RO housings accommodate 4"x21" membranes and withstand pressures up to 300 PSI.

• Accommodates 4" x 21" Sized Membranes
• 1/2" Feed Port
• 1/2" 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.