Dow Reverse osmosis replacement membranes remove all contaminants in your water. Dow RO membranes are cheaper than most replacement membranes and fit in many different systems.
 

Dow Reverse Osmosis product list


Filmtec TW30-1812-50 RO Membrane
Our Price: $36.99
Retail: $70.99
You Save 48%!
View Product


In Stock! Ships in 6 to 7 business days.
Watts Flowmatic W-1812-24 Replacement For Filmtec TW30-1812-24
Our Price: $27.95
Retail: $31.99
You Save 13%!
View Product


In Stock! Ships in 6 to 7 business days.
Dow Filmtec TW30-2540 RO Membrane TFC 850 GPD
Our Price: $259.22
Retail: $519.99
You Save 50%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 25 to 26 business days.
Applied Membranes M-T1812A36 Replacement for GE Osmonics Desal TFM-36, TW30-1812-36
Our Price: $56.75
Retail: $65.99
You Save 14%!
View Product


In stock! Ships in 1 business day.
Dow Filmtec TW30-2521 RO Membrane 300 GPD
Our Price: $176.99
Retail: $207.99
You Save 15%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 2 to 3 business days.
Dow Filmtec TW30-4021 RO Membrane TFC 900 GPD
Our Price: $301.99
Retail: $699.99
You Save 57%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 15 to 16 business days.
Dow Filmtec TW30-4040 RO Membrane TFC 2400 GPD
Our Price: $301.99
Retail: $859.99
You Save 65%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 17 to 18 business days.
Dow Filmtec XLE-2521 RO Membrane TFC 365 GPD
As Low As: $187.95
Retail: $539.99
You Save 65%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 21 to 22 business days.
Dow Filmtec XLE-4021 RO Membrane TFC 1025 GPD
Our Price: $333.47
Retail: $425.99
You Save 22%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 6 to 7 business days.
Dow Filmtec XLE-2540 RO Membrane TFC 850 GPD
Our Price: $252.99
Retail: $639.99
You Save 60%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 18 to 19 business days.
Dow Filmtec XLE-4040D RO Membrane TFC 2600 GPD
Our Price: $411.99
Retail: $863.99
You Save 52%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 3 to 4 business days.
Dow Filmtec BW30XFRLE-400-341 RO Membrane
Our Price: $781.00
Retail: $917.99
You Save 15%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 14 to 15 business days.
Dow Filmtec BW30HRLE-440i Reverse Osmosis Membrane - 12,650 GPD
Our Price: $992.99
Retail: $1,499.99
You Save 34%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 5 to 6 business days.
Dow Filmtec TW30-1812-100D RO Membrane 100 GPD 25-Pack
Our Price: $1,549.75
View Product


In Stock! Ships in 9 to 10 business days.
Dow Filmtec BW30-400 RO Membrane - 10,500 GPD
Our Price: $780.99
Retail: $917.99
You Save 15%!
View Product


Free shipping within the continental United States!
In Stock! Ships in 32 to 33 business days.
Filmtec BW30-4040 Brackish RO Membrane - 2400 GPD
Our Price: $284.46
Retail: $333.99
You Save 15%!
View Product

Free shipping within the continental United States!
Out of stock
" I just received my filters - thank you for the excellent work that you guys do! I'm a very happy customer. " - Mike, San Marcos, TX
Home | Cart | Contact us | Terms & Conditions
Model Lookup | About Us | Blog
866-438-3458