Captain O-Ring – Replacement PRTHORING7 O-Ring Kit for Express Water RO Systems (PRTHORING6) Reverse Osmosis
R 969.00
4.7(14)
View at Amazon rated at Amazon · checked 10 days ago
- Average
- R 969.00
- Lowest seen
- R 969.00
- Highest seen
- R 969.00
- Last change
- R 0.00
- First indexed
- 13 Sep 2026
- Retailer
- Amazon
Description
O-Ring Kit Part Number PRTHORING7 (replaces discontinued part number PRTHORING6).
Compatible with Express Water Standard 3.5” Diameter RO Water Filter Housings and 2” Membrane Housing (such as their “RO System”, “ALK System, “UV System”, “ION System” and other models that specifically call for o-ring kit part numbers PRTHORING7 or PRTHORING6). Not compatible with units from other manufacturers.
Includes 7 o-rings. Six o-rings to seal your 3.5” housings and one o-ring to seal your 2” membrane housing.
Molded from NSF61 certified Buna-N rubber for safe and clean drinking water.
Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA.