IsoTwist 5 Stage
This model makes up to 50 gallons a day of great tasting water while taking up less space than most other 4 and 5-stage models. The easy twist-off disposable filter cartridges and RO membrane assembly are designed to make installation and replacement quick, easy and sanitary. These sturdy and reliable US made systems are IAPMO Platinum Seal certified to significantly reduce 13 contaminants to NSF/ANSI 58 Certified Reduced Contaminants: Arsenic, Barium, Cadmium, Chromium III & VI, Copper, Fluoride, Lead, Radium 226 & 228, Selenium, TDS, Turbidity.
Water Quality Platinum Seal Certified - tested for structural integrity, chemical extraction and reduction of contaminants
Filtration Process
Stage 1
5 Micron Sediment Filter - reduces large particles such as dirt, sand, and rust from the water.
Stage 2 and 3
10 Micron Carbon Block Filter: Removes chlorine, chloramines, and objectionable tastes and odor.
Filter Stage 4
50 GPD (gallons per day) Membrane
Filter Stage 5
Carbon Post filter, to enhance the water’s taste.
Maintenance
Filter Rating – 12 Month
Membrane Rating – 2 to 3 Years
Warranty
Parts - 5 Year
Labor - 1 Year
Labor Warranty Extended to 5 Years if CWS does yearly filter service
Specifications
Dimension: 14”W x 6”D x 15.5”H
Tank: 11″ dia. x 15.5″H
Price
$595 High Efficiency
$675 for Standard/Certified
Why Choose Us?
Trusted for 24+ Years – Family-owned and serving Arizona with expert water filtration solutions.
Pure, Great-Tasting Water – High-quality reverse osmosis systems for clean, contaminant-free water.
Licensed & Insured Technicians – Professional installation with guaranteed reliability.
Transparent Pricing – No hidden fees, just honest pricing for top-tier systems.
Easy Financing Available – Flexible plans (3 to 60 months, 0%–35.9% APR) so you can pay in installments. Call us to learn more!
Upgrade your water today!