The Single DI Stage with 1/4” Quick Connect Fittings is the same used on the Reef Pure RO Systems 5 Stage Systems. It includes all of the parts and media you will need to easily retrofit your existing system with an additional DI resin stage including:

• Clear Housings with 1/4″ Quick Connect Fittings
• Powder Coated Bracket
• Clear Refillable DI Resin Cartridge
• 540g Bag of Colour Changing DI Resin