See the purity, trust the technology. A tankless under-sink system that delivers ultra-pure, clean, refreshing water on demand—perfect for Berkshire Lakes families dealing with hard Southwest Florida water.
The System
The whole system fits under your sink and connects with quick-connect fittings. Four quick-change twist cartridges provide the filtration stages, and a UV chamber sits inline between them. With no bulky storage tank, you get purified water on demand—ideal for busy Berkshire Lakes homes.
The first cartridge catches rust, dirt, sand, and sediment—helpful with Southwest Florida’s hard-water mineral scale.
Carbon block media that reduces chlorine, odors, colors, and chemicals before the membrane—great for Naples-area water.
The heart of the system—rejects dissolved solids and heavy metals and sends the concentrate to the drain.
The final cartridge polishes the water and adds beneficial minerals back for a balanced pH.
Filtration Stages
Each stage handles what the one before it leaves behind—helpful for the hard water common around Collier County. UV is the fourth step, and it’s not filtration at all; it’s there to handle what a filter can’t catch.
Removes rust, dirt, sand, and large particles—great for Naples-area water.
Reduces chlorine, odors, colors, and chemicals in Berkshire Lakes tap water.
Removes up to 99% of dissolved solids, heavy metals, and more—helpful for hard Southwest Florida water.
Kills 99.99% of bacteria, viruses and microorganisms.
Adds beneficial minerals for a balanced, healthy pH.
Four filtration stages plus UV sterilization. Steps 1 to 3 and 5 are the four filtration stages; step 4 is the built-in UV lamp (disinfection, not filtration). It’s included in the price on every system we install in the Naples area.
Pricing
The systems are identical—the difference is how many you have installed on the same visit. Every unit includes UV sterilization and professional installation in Berkshire Lakes and the Naples area.
1 UnitInstalled
Regularly $2,000 - you save $1,005
The standard install, and the right fit for a kitchen sink in most Berkshire Lakes homes.
2 UnitsInstalled
A lower price per unit when you install two systems in the Naples area.
Great for a Berkshire Lakes kitchen and wet bar, a second kitchen, or a guest suite.
3 or More Installed
Our lowest per-unit price
Ideal for larger Naples-area homes, multi-unit properties, and light commercial spaces.
All prices are installed and include UV sterilization, with no hidden fees. Not sure how many you need for your Berkshire Lakes home? We’ll walk the property with you.
Technical Specifications
The SimPure ROULP-3012-400-T1, from the T1-400 series. A tankless build that produces up to 400 gallons a day on demand, so the water is made when you draw it rather than stored.
400 GPD
Production rate
1.5:1
Pure-to-drain ratio
1,057 gal
Per full cartridge set
99.99%
Maximum TDS reduction
The T1-400 series tankless under-sink reverse osmosis system.
Typically 95% and up to 99.99%, bringing 200–500 PPM tap water to near 0 PPM, or below 25 PPM.
The lamp operates automatically based on water flow pressure, and can be adjusted.
Keeps water fresh, saves under-sink space, and helps prevent secondary contamination—important in our hot, humid climate.
One gallon of wastewater for every 1.5 gallons of purified water produced.
A complete set of cartridges is roughly the equivalent of 8,000 bottles of water—less plastic for Collier County.
One Unit, Installed
$995
Installed
Regularly

Unit, all four cartridges, faucet, fittings, and all parts included.

The built-in UV lamp is included—no upgrade needed.

Installed under your sink and commissioned by pros serving Berkshire Lakes.

We test your water before and after—so you can see the difference in your Berkshire Lakes home.

No surprises. One low price includes everything.

Lower per-unit pricing when we install two or more in the same Berkshire Lakes home.
Independent Testing
You don’t have to take performance on faith. The system has been tested by an independent laboratory against the recognised standard for reverse osmosis drinking water systems.
Testing covers the removal of over 99.99% of more than 1,000 contaminants, including total dissolved solids such as fluoride, nitrates and nitrites; PFAS, PFOA and PFOS; heavy metals such as lead and arsenic; and chloride.
Made by SimPure
SimPure is based in Seattle, Washington and has served the USA since 2006, with trained water specialists available for product support.
Reduction performance varies with source water and household usage. We test your water during the visit in Berkshire Lakes so you know exactly what you’re starting from.
Perfect For
Point-of-use filtration means the water you drink and cook with in Berkshire Lakes is the water that gets purified.
Cleaner Water. Better Living. In Berkshire Lakes.
Installed by a Florida plumbing company trusted around the Naples area—and we stand behind the work.
Built with premium materials for reliable, long-term performance in Southwest Florida homes.
The built-in UV lamp is included in the price on every unit we install in Berkshire Lakes.
We stand behind our products and the quality of service we bring to Berkshire Lakes.
Join homeowners across the Naples area—including Berkshire Lakes—who choose Mr. Pure Water.
Product Assurances
Better-tasting, odor-free water for drinking, cooking, and everyday use in Berkshire Lakes.
Tankless purification as you draw—no storage tank, no waiting, just fresh water on demand in Berkshire Lakes.
The built-in UV lamp helps eliminate bacteria, viruses, and microorganisms a filter can’t catch.
The Mr. Pure Water Under-Sink Reverse Osmosis System with UV Sterilization is a tankless point-of-use system that fits neatly under your sink with quick-connect fittings—great for Berkshire Lakes homes dealing with Southwest Florida’s typically hard water. Cold water enters a PP sediment cartridge that catches rust, dirt, sand and large particles, then a CTO carbon block that takes out chlorine, odors, colors and chemicals. The reverse osmosis membrane removes up to 99% of dissolved solids and heavy metals, sending the concentrate to the drain at a 1.5:1 pure-to-drain ratio. A built-in UV lamp then kills 99.99% of bacteria, viruses and microorganisms—the one thing a filter cannot catch—operating automatically on water flow pressure. An alkaline and mineral stage finishes the water, putting beneficial minerals back for a balanced pH. Five stages in all—PP, CTO, RO, UV and alkaline—producing up to 400 gallons a day on demand, with no bulky storage tank to hold water, take up space or invite secondary contamination.
One Unit, Installed in Berkshire Lakes
$995
Installed
Regularly