2.5" x 21" Seawater RO Membrane | Watermaker Replacement Membrane | Applied Membranes M-S2521A 300 GPD SWRO (2.5" x 21")

2.5" x 40" Seawater RO Membrane | Watermaker Replacement Membrane | Applied Membranes M-S2540A 700 GPD SWRO(2.5" x 40")

4" x 21" Seawater RO Membrane | Watermaker Replacement Membrane | 800 GPD SWRO | Applied Membranes, Inc. M-S4021A (4" x 21")

4" x 40" Seawater RO Membrane | Watermaker Replacement Membrane | M-S4040A (Replaces SW30-4040) | 1950 GPD (4" x 40")

4x40 Extra-Low Energy Membrane Element for Tap or Brackish Water | 2,860 GPD at 100 psi | 99% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-B4040AXLE

4x40 Extra-Low Energy Reverse Osmosis Membrane Element | 2860 GPD at 100 psi | 99% Rejection | Replacement Commercial XLE RO Membrane | Applied Membranes USA M-T4040AXLE…

4x40 Low Energy Membrane Element for Tap or Brackish Water | 2,900 GPD at 150 psi | 99% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-B4040ALE

4x40 Low Energy Reverse Osmosis Membrane Element for Tap Water | 2900 GPD at 150 psi | 99.5% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-T4040ALE…