Clean Water.
Trusted Experts.

Reverse Osmosis Water Filtration

For over 20 years, we've helped families get safer, better-tasting water. Now our expertise lives inside the products we make.

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Our Systems

5-Stage Reverse Osmosis System

Essential under-sink filtration for clean, fresh-tasting water.

Five-stage sequence (sediment + carbon + RO membrane)
DIY-friendly install; standard ¼” push-fit tubing
Compact tank fits most base cabinets

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6-Stage Reverse Osmosis System

Everything in 5-Stage plus mineral polishing for balanced taste.

Adds post-filter remineralization stage
Same easy maintenance and filter sizes
Complete kit with tubing & fittings

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A 21-Year Journey to This Moment

About Us

Agionus began as a regional water service company helping thousands of homes install, maintain, and understand reverse osmosis filtration. Now, we’ve distilled all that experience into a line of systems and replacement parts you can trust — with the same quality and support we’ve always provided.

✅ Trusted by families and businesses since 2004

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