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4" RO Membrane

We can special order from many different suppliers if you cannot find what you are looking for. Please send us an email at info@onlinewaterparts.com and a dedicated account manager will assist you in finding the correct parts for your equipment.
Original price $396.03 - Original price $396.03
Original price
$396.03
$396.03 - $396.03
Current price $396.03

LCLE4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. Large commercial, Low energy. 2,900 GPD flowrate. 99.5% nominal rejection.

Original price $396.03 - Original price $396.03
Original price
$396.03
$396.03 - $396.03
Current price $396.03
Original price $320.00 - Original price $320.00
Original price
$320.00
$320.00 - $320.00
Current price $320.00

BW30-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. 2,400 GPD flowrate. 99.5% nominal rejection.

Original price $320.00 - Original price $320.00
Original price
$320.00
$320.00 - $320.00
Current price $320.00
Original price $387.02 - Original price $387.02
Original price
$387.02
$387.02 - $387.02
Current price $387.02

CPA2-4040 - 4" x 40" Reverse Osmosis Membrane Element Hydranautics Membrane

In stock

4" x 40" Hydranautics reverse osmosis membrane element. 2,250 GPD flowrate. 99.3% nominal rejection. 225 test pressure.

Original price $387.02 - Original price $387.02
Original price
$387.02
$387.02 - $387.02
Current price $387.02
Original price $432.02 - Original price $432.02
Original price
$432.02
$432.02 - $432.02
Current price $432.02

XLE-4021 - 4" x 21" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 21" Dow Filmtec RO membrane element. 1,025 GPD flowrate. 99% nominal rejection.

Original price $432.02 - Original price $432.02
Original price
$432.02
$432.02 - $432.02
Current price $432.02
Original price $333.02 - Original price $333.02
Original price
$333.02
$333.02 - $333.02
Current price $333.02

LCHR-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. Large commercial, Low energy. 2,500 GPD flowrate. 99.1% nominal rejection.

Original price $333.02 - Original price $333.02
Original price
$333.02
$333.02 - $333.02
Current price $333.02
Original price $248.42 - Original price $248.42
Original price
$248.42
$248.42 - $248.42
Current price $248.42

RE4040-BE - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. 2,400 GPD flowrate. 99.7% nominal rejection.

Original price $248.42 - Original price $248.42
Original price
$248.42
$248.42 - $248.42
Current price $248.42
Original price $705.59 - Original price $705.59
Original price
$705.59
$705.59 - $705.59
Current price $705.59

RO4040-FF - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. Full Fit. 2,400 GPD flowrate. Stabilized Salt Rejection 99.5%.

Original price $705.59 - Original price $705.59
Original price
$705.59
$705.59 - $705.59
Current price $705.59
Original price $404.00 - Original price $404.00
Original price
$404.00
$404.00 - $404.00
Current price $404.00

XLE-4040 - 4" x 40" Reverse Osmosis Membrane Element Filmtec Membrane

In stock

4" x 40" Dow Filmtec RO membrane element. 2,600 GPD flowrate. Stabilized Salt Rejection 99.0%

Original price $404.00 - Original price $404.00
Original price
$404.00
$404.00 - $404.00
Current price $404.00