Drinking Water Systems

5-Stage Tank Reverse Osmosis

The classic under-sink RO. Proven, simple, affordable.

A traditional reverse osmosis system with a storage tank. Five stages of filtration, a dedicated drinking-water faucet, and decades of track record behind the design. If you want clean drinking water without the tankless price, this is it.

Best for: Households wanting proven RO at a lower price

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Reverse osmosisDedicated faucet includedFive faucet finishes

What you get

5-stage reverse osmosis filtration
100 GPD membrane with pressurized storage tank
Dedicated drinking-water faucet
Removes dissolved solids, chlorine and heavy metals
Simple, widely available replacement filters
Professional installation by an independent licensed professional

Full specifications

Key specifications

Type: Tank, under-sink
Filtration stages: 5
Production: 100 GPD, stored in tank and poured on demand
Faucet: Dedicated, five finishes
Cabinet space: Storage tank under the sink
Filter changes: Changed by our team
Fittings: Quick-connect
Pairs with: Any whole-home system, or on its own

Installation, upkeep & warranty

Installation: Arranged with an independent licensed professional — dedicated faucet, drain saddle, cold-water tie-in
Location: Under the kitchen sink, or wherever the drinking tap goes
Upkeep: Filter changes by our team
RO system warranty: 1 year
Labor warranty: 1 year from date of purchase

Specifications from the manufacturer's documentation. Component brands and certifications are those of their respective manufacturers.

What reverse osmosis removes

Arsenic
Fluoride
Uranium and chromium-6
Sediment and dissolved solids
Nitrate and nitrite
Lead and heavy metals
Chlorine and disinfection byproducts
Mineral taste and odor

Pick a faucet that matches your kitchen

The drinking water faucet is the only part of this system you actually see, so it comes in five finishes. Tell us which when we pull your water report.