Update Your RO System and Save Money

This RO conversion kit with manifold can replace the following systems:

• Rainsoft Ultrefiner II 3-Stage Reverse Osmosis System

• ​​ Rainsoft Ultrefiner UF22 3-Stage Reverse Osmosis System
• ​​​​​​ Rainsoft Ultrefiner UF20 3-Stage Reverse Osmosis System

To keep things simple, we offer an annual filter replacement bundle with the RO membrane, and without the RO membrane for this unit.

With this 50 gallon per day 3-Stage PuROTwist RO Conversion Kit, you'll be able to replace your filters at nearly half the price of proprietary filters. Filter replacements are super simple; simply twist the used filter off and twist the new filter on. No tools, no buckets, and no mess.

This RO conversion kit with manifold can replace almost any brand RO system that uses 3/8" tubing. This includes models from Water Factory (3M), Rainsoft, Culligan, or other "quick change" or slim-filter style RO systems. An example would be the Culligan Aqua-Clear Advanced Drinking Water System

Replacement Filters: To keep things simple, we offer an annual filter replacement bundle with the RO membrane, and without the RO membrane for this unit.

This 4-stage, 50 gallon per day RO conversion kit allows you to use your existing RO tank, faucet and lines installed in place. Simply remove your old manifold system and plug the tubes into this new system. Filter replacements are quick and easy with this system. Simply twist the used filters off and twist the new filters on. No tools, no buckets, and no mess.

This 5-stage RO unit can produce 50 gallons per day of delicious, clean drinking water for your household. Filters included should be replaced every 6-12 months. The RO membrane included should be replaced every 24 months.

NOTE: To use your current system you must have 1/4-inch tubing from tank to faucet.

This RO conversion kit with manifold can replace standard style RO systems that use 3/8" tubing.

Replacement Filters: To keep things simple, we offer an annual filter replacement bundle with the RO membrane, and without the RO membrane for this unit.

This 5-stage RO unit (for 3/8" line) can produce 50 gallons per day of healthy, clean drinking water. The filters included with this conversion system and should be replaced every 6-12 months. The RO membrane included should be replaced every 24 months.

If you're looking to update your RO system to be more environmentally-friendly, with less water wasted, this RO conversion kit can replace any reverse osmosis system.

• Easy switch out for current RO system that uses 3/8" tubing

• Kit can also replace any system with ¼” tubing to faucet with the purchase of 2x reducing stem adapters 

• Filter replacements are available for this system

Convert your existing RO filter system to be environmentally-friendly with the GRO-75 conversion kit. This eco-conscious, high-efficiency reverse osmosis unit sets the industry standard for water conservation.

With its innovative encapsulated RO membrane design, it efficiently directs contaminants to the drain with reduced wastewater, achieving an impressive 50% recovery rate or a 1:1 wastewater ratio.

This 4-stage RO unit can produce 75 gallons per day of great-tasting drinking water.  

The retrofit kit allows you to keep using your RO current tank and faucet, and only replace the manifold (main component that holds all the filters).