This inline post filter is designed to dissolve calcite into your reverse osmosis water to correct low pH created by the RO process. The filter uses a combination of granular activated carbon & calcite to act as a post filter and neutralize low pH.
This top quality cartridge is made by Pentek, the largest brand in the filtration industry and is NSF Certified.
ModelMaximum DimensionsPort SizeConnection TypeChlorine Capacity @ Flow*
| GS-10CAL/RO-B | 10″ × 2″ | 1/4″ | FNTP | >1,000 gallons @ 1.0 GPM |
| GS-10CAL/RO-H | 10″ × 2″ | 3/8″ | John Guest | >1,000 gallons @ 1.0 GPM |
* Based on manufacturer’s internal testing.
John Guest Fittings for this unit are available below or your existing fittings can be reused if they are removable.
| Cartridge Size |
10″ x 2″ Standard |
|---|---|
| Port Size |
1/4″ Ports |
| Material Composition |
Polypropylene (PP) |
| Media Type |
Coconut Shell Activated Carbon |
| Micron Size |
20 Micron |
