Circle Reverse Osmosis Under Counter Water Filtration System
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The Circle Reverse Osmosis Under Counter Water Filtration System delivers pure, great-tasting water using patented smart water-saving technology that is up to 10 times more efficient than conventional RO systems—with 10× less wastewater. WQA Gold Seal certified to NSF/ANSI Standards 42, 53, 58, and 372.
- Reduces over 60 contaminants including lead, chlorine, VOCs, and more
- Four-stage filtration: sediment, pre-carbon, RO membrane, post-carbon
- Flexible storage tank with 1.6-gallon (6.0 L) capacity
- Automatic membrane flushing extends filter lifespan
- Designer polished chrome faucet with LED filter-change indicator
- Operates without electricity — rapid refill rate
- Compact design: 13.8″L × 9.25″W × 16.5″H, 14.6 lbs
- DIY installation; free shipping to contiguous US and Canada
- Filter replacement schedule: pre/post-carbon every 6 months, membrane every 24 months
- 1-year limited warranty with US-based customer service
- Filtration Stages
- Filter Technology
- Contaminants Removed
- NSF Certifications
- Lead Free
- Dimensions
- Filter Life
- Replacement Filter SKU
- Replacement Interval
- Included in Box
Free shipping on orders over $50. Most orders ship within 1–2 business days directly from our authorized suppliers. You'll receive tracking information via email.
Need it faster? Contact us for expedited shipping options: contact@reinwaterusa.com
All under-sink water filtration systems sold by Rein Water USA include manufacturer warranty. Crystal Quest systems carry a limited warranty — see product listing for terms. Brondell systems include a 1-year limited warranty on parts and labor, excluding consumable filters.
To make a warranty claim, contact contact@reinwaterusa.com with your order number and proof of purchase.