4" Dia Membranes

4" Diameter Spiral-Wound, Thin-Film Composite Membranes

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Revese Osmosis Membrane Vontron LP21-4040
On Sale

Revese Osmosis Membrane Vontron LP21-4040

Regular price $365.00
Sale price $365.00 Regular price $400.00
Unit price
4”x40” 4040 Brackish Water RO Membrane Flow 2400 gpd / Salt Rejection 99.5% / Pressure...
Hydranautics CPA5-LD-4040 Reverse Osmosis Membrane
On Sale

Hydranautics CPA5-LD-4040 Reverse Osmosis Membrane

Regular price $495.00
Sale price $495.00 Regular price $550.00
Unit price
  4”x40” Hi Rejection Brackish Water Membrane. 2100 gpd / 99.7% / 225 PSI. Offers...
Filmtec BW30-4040 Brackish Water RO Membrane
On Sale

Filmtec BW30-4040 Brackish Water RO Membrane

Regular price $495.00
Sale price $495.00 Regular price $570.00
Unit price
  Replaced by PRO version BW30 PRO-4040 Provides consistent and outstanding system performance. Suitable for...
LG RO Membrane - BW 4040 R
On Sale

LG RO Membrane - BW 4040 R

Regular price $419.00
Sale price $419.00 Regular price $460.00
Unit price
  4”x40” Hi Rejection Brackish Water Membrane. 2500 gpd / 99.6% / 225 PSI. Offers...
FilmTec BW30 PRO-4040 - 4" x 40" Brackish Water Membrane
On Sale

FilmTec BW30 PRO-4040 - 4" x 40" Brackish Water Membrane

Regular price $520.00
Sale price $520.00 Regular price $580.00
Unit price
  Fouling resistant RO membrane. High Rejection and High Performance Brackish Water RO Membrane. Flow...
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