See the purity, trust the technology. A tankless under-sink system that delivers ultra-pure, clean, refreshing water on demand for your Lockhart family—especially helpful with Central Florida’s hard water.
The System Itself
The whole system fits under your sink and connects with quick-connect fittings—perfect for Lockhart kitchens. Four quick-change twist cartridges provide the four filtration stages, and a UV chamber sits inline between them. There’s no bulky storage tank, so water is purified on demand rather than sitting and waiting.
The first cartridge catches rust, dirt, sand, and larger particles before anything downstream sees them.
Carbon block media that reduces chlorine, odors, colors & chemicals—great for Central Florida water before the membrane.
The heart of the system, rejecting dissolved solids and heavy metals and sending the concentrate to the drain—ideal for hard Central Florida water.
The final cartridge polishes the water and adds beneficial minerals back for a balanced pH—great for Lockhart homes.
Filtration Stages
Each stage handles something the one before it left behind. UV is the fourth step in the sequence and the one stage that is not filtration at all - it is there to deal with what a filter cannot catch.
Removes rust, dirt, sand, and large particles—helpful for Central Florida water sources.
Removes chlorine, odors, colors and chemicals from Lockhart tap water.
Removes up to 99% of dissolved solids, heavy metals and more—helpful for hard Lockhart water.
Kills 99.99% of bacteria, viruses, and microorganisms.
Adds beneficial minerals for a balanced, healthy pH—great for Lockhart, FL drinking water.
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 for disinfection. It’s included in the price on every system we install in Lockhart.
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 Lockhart.
1 UnitInstalled
Regularly $2,000 - you save $1,005
The standard install, and the right fit for a kitchen sink in most Lockhart homes.
2 UnitsInstalled
A lower price per unit when you install two systems in your Lockhart home.
Great for a kitchen and wet bar, a second kitchen, or a guest suite.
3 or MoreInstalled
Our lowest per-unit price
For larger Lockhart 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? We’ll walk the property with you during your Lockhart visit.
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 for Lockhart homes.
Typically 95% and up to 99.99%, bringing 200–500 PPM tap water to near 0 PPM, or below 25 PPM—results vary by Lockhart source water.
The lamp operates automatically based on water flow pressure, and can be adjusted—simple for busy Lockhart households.
Keeps water fresh, saves under-sink space, and helps prevent secondary contamination in Lockhart kitchens.
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 Lockhart, FL.
One Unit, Installed in Lockhart
$995
Installed
Regularly

Unit, all four cartridges, faucet, fittings & all parts—everything you need in Lockhart.

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

Fitted under your sink and commissioned by pros serving Lockhart and Polk County.

We test your water before and after—great for Lockhart’s hard water—so you see the difference.

No surprises. One low price includes everything.

Lower per-unit pricing when we install two or more in the same Lockhart home.
Independent Testing
You do not have to take the 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—especially between municipal and well water in Central Florida. We test your water on the visit so you know what you’re starting from.
Perfect For
It installs at the point of use, so the water you drink and cook with in your Lockhart kitchen is the water that gets purified.
Cleaner Water. Better Living. Right here in Lockhart.
Installed by a Florida plumbing company trusted by homeowners across Polk County—and we stand behind our work.
Built with premium materials for reliable, long-term performance in Central Florida.
The built-in UV lamp is included in the price on every unit we install in Lockhart.
We stand behind our products and the quality of service we deliver in Lockhart.
Join Lockhart homeowners across Polk County who choose Mr. Pure Water.
Product Assurances
Better-tasting, odor-free water for drinking, cooking, and everyday use in Lockhart.
The tankless design purifies as you draw—perfect for busy Lockhart kitchens—so there’s no waiting.
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—ideal for Lockhart homes dealing with Central Florida’s 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 Lockhart
$995
Installed
Regularly