If you already know your part numbers, simply enter them below along with the quantity desired and click Add to
Cart for a speedy check-out.
Join our newsletter list to get the latest updates
TOLL FREE: 877-541-6603
The TGI-415 is capable of producing 50 gallons per day and typically fits in a sink cabinet. The Watts's RO System is a 4 stage reverse osmosis system which contains three replacement water filter cartridges and one membrane. Below is a break down of each stage and the compatible replacement membrane and filter part numbers that can be found on our site.
The full system is also available for purchase. Please click here to purchase the Watts W-415 RO system.
STAGE 1 : FPMB5-978 STAGE 2 : F109009STAGE 3 : W-1812-50 STAGE 4 : K2533-KK
STAGE 1 : FPMB5-978
STAGE 2 : F109009
STAGE 3 : W-1812-50
STAGE 4 : K2533-KK
Buy It now!