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Nelsen
Traditional reverse osmosis for everyday drinking water.
Made in United States
Nelsen's Aqua Classic reverse osmosis system fits under the kitchen sink and supplies filtered drinking water from a dedicated faucet, with an optional line to the refrigerator.
What makes Nelsen different
Why we sell it
- Under-sink reverse osmosis for drinking and cooking
- Pressurized storage tank keeps filtered water ready
- Optional refrigerator and ice-maker connection
Product lines we stock
In the shop
Aqua Classic Reverse Osmosis
Come see it in person
Demos welcome — bring your dirtiest rug or a jug of your well water. We’ll show you exactly what Nelsen does differently.
(208) 733-2504Get pricing
Interested in Nelsen?
Tell us what you’re looking for and we’ll send back models that match — with real pricing, not internet estimates.
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