Express WaterRO10 5-Stage RO System with Deluxe Chrome Faucet
Doubles the RO5DX production rate but drops off the NSF listing that makes the RO5DX worth buying.
$207
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Usability
Usability
The RO10 is for a household that found the RO5DX too slow and does not weight certification heavily, because that is precisely the trade being made. Doubling rated production to 100 GPD is a real gain: tank recovery is faster and the system keeps up with a family rather than a couple. But NSF's database lists RO5DX and RO10DX, not RO10D, so the seventeen dollars over the RO5DX buys throughput and loses the only third-party evidence in the range. Everything else is shared - same housings, same tank, same one-year warranty, same 1:1 to 3:1 drain ratio - so the choice comes down to whether a verified TDS claim or a faster refill matters more. Finish availability is also thin, with three of the four faucet options unavailable at time of writing.
- Rated 100 GPD, double the RO5DX, with correspondingly faster tank recovery
- Standard 10 inch cartridges shared across the Express Water range
- Leak-detection pad included as standard
- Clear first-stage housing shows sediment loading without dismantling
- Faucet delivers 0.8 GPM while the tank holds pressure
- Not on NSF's certification listing - RO5DX and RO10DX are, this SKU is not
- One-year warranty, short for the segment
- Discharges one to three gallons per gallon produced
- Three of four faucet finishes were out of stock at time of writing
- Subscription pricing is pre-selected in the cart, so the displayed total is below the list price
- Product copy describes it as five-stage while the model number implies ten
The RO10 is Express Water's mid-tier five-stage under-sink reverse osmosis system, rated at 100 GPD against the RO5DX's 50 GPD and supplied here with the deluxe chrome faucet. The stack is sediment, granular activated carbon, carbon block, membrane and post carbon, feeding a 4-gallon tank with about 3.2 gallons usable. The same system ships in modern chrome, modern brushed nickel and deluxe brushed nickel finishes; at time of writing three of those four finishes are out of stock and only deluxe chrome is available.
Additional information
Specification: Express Water RO10 5-Stage RO System with Deluxe Chrome Faucet
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Questions answered from our data
How much does a reverse osmosis system cost?The 69 reverse osmosis systems we list run from $165 to $3,779, with a median of $367.
How long do reverse osmosis filters last?Of the 69 reverse osmosis systems we list, 64 state a filter life; the most common is 6-12 months (62).
Does reverse osmosis remove fluoride?63 of the 76 reverse osmosis systems we list claim to reduce fluoride.
Do water filters remove lead?120 of the 296 systems we list claim to reduce lead.
