The Dual DI Stage with 1/4” Quick Connect Fittings is the same used on the Reef Pure RO Systems 6 Stage Systems. It includes all of the parts and media you will need to easily retrofit your existing system with two additional DI resin stages including:

• 2x Clear Housings with 1/4″ Quick Connect Fittings
• Powder Coated Bracket
• Clear Refillable DI Resin Cartridge
• 2x 540g Bags of Colour Changing DI Resin