Ultimate RO-45 Reverse Osmosis® System

  • Top Tier Ultra Pure Drinking Water System
  • Refreshing, Crisp Taste Superior to Bottled Water
  • Individually Lab Tested for Ultimate Quality Assurance
  • Built in USA with Premium US Made Filters Made in USA
  • WQA Gold Seal Certified System
  • Most Durable System will Last for Decades
  • 45 Gallons/day — Complete 5 Stage System
  • Friendly Lifetime Customer & Tech Support

Built in USA

100% built in America with premium quality parts and longest lasting filters.

WQA Certified

WQA gold seal tested & approved to ensure highest quality performance and components.

8 Hour Lab Test

Individually lab tested for 8 hours to guarantee trouble-free operation and system integrity.

100% ECO-Friendly

Removes dependence on bottled water to reduce plastic pollution & waste.

30 Days Money Back

Satisfaction guaranteed with easy, hassle-free 30 days money back return policy.

WQA Gold Seal Logo
- Arsenic
- Barium
- Cadmium
- Chromium (Hexavalent)
- Chromium (Trivalent)
  - Copper
- Fluoride
- Lead
- Radium 226/228
- Selenium


You will enjoy:

  • Unlimited ultra fresh, clean, great tasting water right at home.
  • Best quality water for cooking and making delicious coffee, tea & ice.
  • Save money, time, and hassle of buying costly, heavy bottled water.
  • Live healthier with ultra safe water that is 99% contaminant free.
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Trusted Quality in APEC’s ULTIMATE RO Systems

APEC’s ULTIMATE RO-45 reverse osmosis system was engineered to the highest standards for exceptional performance, durability and safety. Constructed of select premium components, this system has been tested and certified to the highest standard in the industry- WQA GOLD Seal, to guarantee the highest contaminant removal rates, giving you the purest water possible. We build, inspect and lab test every ULTIMATE RO-45 system in our US facility. This stringent QC process eliminates even the slightest component imperfections to guarantee a system that removes up to 99% of all contaminants and is completely free from water leaks, bursts and noises.

For over 17 years, APEC has been an industry leading manufacturer who specializes in high performance RO systems. As the original manufacturer, we have dedicated a knowledgeable and sincere team that is committed to providing customer satisfaction for the entire lifespan of every system.

Every APEC system is built to meet the most demanding applications in water purification - from drinking water for homes, to purified water for restaurants, healthcare facilities, and research labs. Our durable RO systems are designed to last for decades and will bring many years of enjoyment and good health for you and your family.


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America's Most Durable & Versatile RO Systems

Certified Ultra Safe & Pure

Certified to remove up to 99% of all water contaminants to guarantee ultra-safe and clean drinking water for your family.

Smart & Automatic

System shuts off automatically when tank is full without wasting any water.

Treats All Types of Water

Treats tap water, well water, hard water, variable water pressures and extreme pH.

High Capacity Filters

Very low maintenance, just change 3 Ultimate pre-filters once a year (every 4,000 gallons).

Free Drinking Water Promise

The only place which pays big for your referrals so you can have "free drinking water forever!"
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High Performance 5 stage System Components:

1st stage

High-Grade 5 micron 10" high-capacity polypropylene sediment filter —removes dust, particles, and rust. Protects and extends the life of the membrane and system. US Made. (order info.)

2nd Stage

Premium Extruded Carbon Block 5 micron 10" —gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOCs and other common chemicals from the water. US Made. (order info.)

3rd Stage

Premium Extruded Carbon Block 5 micron 10" —gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOCs and other common chemicals from the water. US Made. (order info.)

4th Stage

Select FILMTEC (Dow Chemical) High Rejection TFC reverse osmosis membrane. Removes up to 99% of total dissolved solids (TDS) and contaminants such as arsenic, lead, fluoride, chromium, radium, bacteria, viruses and much more. US Made. (order info.)

5th Stage

Advanced Coconut Shell Refining Carbon 10" — TCR (Total Contamination Removal) filter removes any possible residual taste from the tank. US Made. (order info.)

RO System Components

Standard with system: John Guest Quick-Connect fittings; stainless steel check valve; clog-free flow restrictor; 5 feet of food grade tubing & versatile ½” to 3/8” feed water adapters. High quality lead-free faucet & 4 gallon pressurized tank also included.

Complete Installation Hardware

Wrench, tank ball valve, feed water valve, drain saddle, Teflon tape, and manuals. Ice-maker kit option is available at checkout
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Specifications & Dimensions:

System Capacity:

45 gallons per day @ 60 psi, 36 gallons/day @50 psi and 77 deg F

Tank Capacity:

4 gallons. 14 gallons optional

Tank Dimensions:

11" x 11" x 15" (4 gal tank). 16" x 16" x 25" (14 gal tank)

Feed Water Pressure:

40-90 psi spec and Dimension

Feed Water Temperature:

40-100 deg F

Max Total Dissolved Solids:

2000 ppm

System Dimensions:

15"w x 7"d x 18"h

Feed Water pH:

2.0 - 11.0

System Package Weight:

25 lbs
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