top of page

Ultima VII 5 Stage

The Ultima VII is a high-performance reverse osmosis system that delivers up to 100 gallons of purified water per day, making it ideal for households with moderate to high water consumption. Designed for under-sink installation, it provides clean, great-tasting water through a reliable, space-saving setup. Each system is built in the USA and tested for water quality and structural integrity before shipping, ensuring long-term durability and performance. The system features customizable faucet options and multiple tank sizes to fit your home’s layout and aesthetic. With high-efficiency filtration and NSF-certified components, it offers a cost-effective solution that reduces the need for bottled water while maintaining consistent water quality. Additional 4 stage option is available.

Filtration Process

Stage 1

  • Sediment Filter: Removes particulates such as dirt, sand, and rust, protecting subsequent filters and the RO membrane.


Stage 2

  • Granular Activated Carbon (GAC) Filter: Reduces chlorine, taste, and odor, as well as organic chemicals.


Stage 3

  • Carbon Block Filter: Further eliminates chlorine and other contaminants, enhancing the effectiveness of the RO membrane.


Stage 4

  • Reverse Osmosis Membrane: Removes up to 99% of dissolved solids, heavy metals, and other impurities.


Stage 5

  • Post Carbon Filter: Polishes the water, ensuring optimal taste and purity before it reaches your faucet.

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

3.2 gallon tank

Price

$675

Faucet Selection

103 Style Faucet

103 Style Faucet

103 Chrome – Default Included Option

103 Brush Nickel - Optional 

905 Brushed Nickel Reverse Osmosis Faucet

905 Style Faucet - $75

905 Chrome

905 Brush Nickel

905 Black

905 White

905 Antique Bronze

905 Oil Rubbed Bronze

905 Matte Black

888 Style Faucet

888 Style Faucet - $85

888 Chrome

888 Brush Nickel

888 Antique Bronze

888 Matte Black

603 Style Reverse Osmosis Faucet

603 Style Faucet - $75

603 Chrome

603 Brush Nickel

603 White

603 Antique Bronze

603 Oil Rubbed Bronze

703 Style Faucet

703 Style Faucet - $85

603 Chrome

603 Brush Nickel

603 White

603 Antique Bronze

603 Oil Rubbed Bronze

Faucet Finishes

Faucet Finishes

Standard under sink installation is included,  drilling a faucet hole is additional $100.00

Reverse Osmosis Installation

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!

Ready for Cleaner Drinking Water? Contact Us!

Whether you're ready or have questions, we're here to help.

Which system are you interested in?

By submitting this form, I agree to receive transactional, operational, and service-related text messages from Complete Water Systems LLC at the number provided. Message and data rates may apply. Reply STOP to opt out at any time. View our Privacy Policy.

bottom of page