Reverse Osmosis Drinking Water
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Bottled-Quality Water, Straight From Your Tap
Reverse osmosis is the most thorough way to purify drinking water at home. Our systems remove up to 99% of dissolved contaminants — no bottled water, no ongoing delivery, just clean water on demand.
Why Choose 360 Water Reverse Osmosis
1
Removes Up to 99% of Dissolved Contaminants
Multi-stage reverse osmosis pushes water through a semipermeable membrane that rejects lead, arsenic, nitrates, fluoride, and dissolved solids most cartridge filters can't touch.
2
NSF-Certified Filtration Stages
Sediment and carbon pre-filters protect the membrane and reduce chlorine before it reaches the RO stage, so you get clean, great-tasting water at the tap.
3
Sized From Under-Sink to Whole-Home
Choose a compact under-sink system for drinking and cooking water, or a point-of-entry unit that delivers high-purity water to every fixture.
Featured Systems
Find the Right Reverse Osmosis System
From a value under-sink unit to whole-home purification — configurations covering every household's drinking-water needs.
Everyday Under-Sink
Penguin Water 5 Stage RO
Five-stage under-sink system for clean, great-tasting drinking water — our best-value entry point into reverse osmosis.
- NSF-certified 5-stage filtration
- Reduces chlorine, sediment & dissolved solids
- Dedicated drinking-water faucet
From $559.86
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Whole-Home / High-Demand
Penguin Water Whole House RO
Point-of-entry reverse osmosis for homes and facilities that need high-purity water at every fixture, not just the kitchen tap.
- Whole-home point-of-entry coverage
- Engineered for continuous high demand
- Built for the toughest source water
From $13,001.48
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Compare Systems
Compare Reverse Osmosis Systems
Under-sink drinking water or whole-home purification — here's how our systems line up.
 5 Stage RO
From $559.86
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|
 Whole House RO
From $13,001.48
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| |
|---|---|---|
| Under-Sink Drinking Water (Point of Use) | ✓ | — |
| Whole-Home Coverage (Point of Entry) | — | ✓ |
| Best for Residential Homes | ✓ | — |
| Built for High / Continuous Demand | — | ✓ |
Not sure which fits your home? A free water analysis tells us exactly what's in your water so we can size the right system.
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Benefits of Reverse Osmosis
01
Better-Tasting Water
Removing dissolved solids, chlorine, and contaminants leaves water that tastes clean — noticeably better for drinking, coffee, and cooking.
02
No More Bottled Water
An under-sink RO system pays for itself over time by replacing ongoing bottled-water purchases and delivery.
03
Removes What Others Miss
RO targets lead, arsenic, nitrates, and fluoride — contaminants that standard carbon filters aren't designed to reduce.
04
Compact & Convenient
Fits neatly under most kitchen sinks with a dedicated faucet, delivering purified water on demand without countertop clutter.
Reverse Osmosis FAQs
What does reverse osmosis remove that a regular filter doesn't?
RO uses a semipermeable membrane to reduce dissolved contaminants — lead, arsenic, nitrates, fluoride, and total dissolved solids — that standard sediment and carbon filters generally can't remove.
Does an RO system waste water?
Reverse osmosis produces some drain water as part of the purification process. Our systems are engineered for an efficient recovery ratio, and the benefit is water pure enough to replace bottled entirely.
Do I need whole-house RO or just an under-sink system?
Most households only need purified water for drinking and cooking, which an under-sink system handles affordably. Whole-house RO is for homes or facilities that require high-purity water at every fixture — a much larger investment.
How often do RO filters need to be replaced?
Pre- and post-filters are typically replaced every 6 to 12 months, and the RO membrane lasts several years depending on your water quality and usage. We'll walk you through a simple maintenance schedule.
Will RO water work with my refrigerator or ice maker?
Under-sink RO systems can often be connected to a refrigerator or ice maker line during installation, so filtered water reaches both your faucet and your ice.
Is professional installation required?
Under-sink systems involve connecting to your cold-water line, drain, and a dedicated faucet. Many homeowners install them, but we recommend professional installation for correct setup and warranty coverage.
Ready for Cleaner Drinking Water?
Start with a free water quality assessment and we'll recommend the right reverse osmosis system for your home.
Free Water Quality Assessment