iSpring T55M 5.5 Gal RO Storage Tank — NSF Certified, Food-Grade Diaphragm! $87.98 CAD (15% Off)

Low water flow from an RO system is a common frustration — waiting forever to fill a glass. A storage tank solves this: the RO membrane filters water into the tank at its own pace, and when you turn the tap, you get full-flow water instantly.

The iSpring T55M is a 5.5-gallon metal pressurized tank, now $87.98 CAD, down from $103.00 (15% off).

The food-grade butyl diaphragm has undergone post-cure treatment to keep water tasteless and odorless — a critical detail when you're drinking from it. The stainless steel 1/4" NPT valve comes with an integrated ball valve for straightforward installation. It discharges properly in both vertical and horizontal positions, so tight under-sink spaces aren't a problem. Pre-pressurized to 7-10 psi out of the box, compatible with most residential RO systems on the market.

Independently tested to NSF/ANSI standards, with over 1,000 reviews at 4.5 stars and ranked #19 in Under-Sink Water Filters. If your RO system's output has been dwindling, the storage tank is the likely culprit — and this iSpring unit is a direct replacement for most major brands.

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