For 3, 4, 5-Stage & Microline Systems
Choose from Chrome, Brushed Nickel, Oil Rubbed Bronze, Black, White, Almond, Bisque, Polished Brass
Free shipping on three sizes

Reverse Osmosis Water Filter

Affordable Water has everything you need to properly take care of your reverse osmosis water system, including reverse osmosis water filter refills and membrane refills. Taking care of your system will have it working for years to come!

Filters & Membranes

Affordable Water carries a variety of filters and filter kits for replacement on the following systems:

  • 3-stage RO
  • 4-stage RO
  • 5-stage RO
  • Microline 3-stage and 4-stage RO

Along with our filters, Affordable Water carries replaceable standard membranes and flow control for membranes. Your replacement membrane for your reverse osmosis water filter should last 4 to 5 years when installed on a soft water line. Yearly replacement with the RO membranes is not necessary.

Choose from standalone filter replacements or get a replacement kit, which includes a replacement membrane as well!

Get assistance!

Affordable Water is here to help you! When you need to replace your reverse osmosis water filter, feel free to call at any time at 877-848-2532.