The Omnipure Q5633 Q-Series Replacement Filter is a Granular Activated Carbon cartridge used in the PuROTwist 3000 and PurROTwist 4000 Reverse Osmosis Systems and Twist Tap Filter Head Models QNVH B,C, or J with automatic shutoff . Easy to install and change this filter is ready to go with just a flick of the wrist!
The Omnipure Q5633 Specifications:
In the PuROTwist 3000 the Q-5633 should be used as the Stage 2 Carbon Filter. In the PuROTwist 4000 the Q5633 should be used as the Stage 4 Carbon Post-Filter.