ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage

Trusted Five-Stage Purification for Ultra-Pure Household Drinking Water

Full manufacturer title

APEC Water ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage

Typical price

$180

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APEC Water ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage image 1

Ravvy verdict

89.6 / 100

Buy the APEC ROES-50 if you want a proven, low-maintenance filtration system and can spare the under-sink cabinet space for its storage tank.

Best for: budget-conscious homeowners and DIY enthusiasts looking for bottled-water quality
Buy it if: You want high-efficiency removal of over 1000 common water impurities.
Skip it if: You are renters with limited cabinet space or those requiring instant hot water features.
Best alternative: Sawyer Squeeze Water Filtration System Two 32-Oz Standard Pouches Squeeze w/ 2 Pouches (long distance thru-hikers and weight-conscious backpackers)

How it scores on what matters

Value for Money96.0
Filtration Power94.2
Maintenance Costs85.0
Installation Ease78.5
Water Flow Rate70.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The APEC ROES-50 serves as a reliable entry point for homeowners seeking to eliminate the hidden contaminants found in municipal tap water. Using a comprehensive five-stage process, it effectively strips away heavy metals like lead and arsenic while significantly reducing the presence of chlorine and fluoride. The result is a crisp, bottled-water taste delivered directly from a dedicated kitchen faucet without the ongoing expense or plastic waste of store-bought alternatives. Installation is designed for the standard DIY enthusiast, featuring color-coded tubing and quick-connect fittings that simplify what could otherwise be a complex plumbing task. While the system does require dedicated space under the sink for both the filter manifold and the storage tank, the footprint is relatively compact for a full reverse osmosis setup. Its 50-gallon per day capacity ensures that a typical family will rarely run out of purified water for drinking and cooking needs.

Ravvy AI insight

This system offers one of the best price-to-performance ratios in the RO market due to its high-capacity filters and standard 10-inch housing size. While newer tankless models exist, the ROES-50 provides superior water pressure at the tap because of its pressurized tank, making it a better choice for those who dislike slow-filling glasses. Stick to the genuine filter replacements to maintain the 99 percent contaminant rejection rate over the long term.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 25, 2026.

What owners praise

High-efficiency removal of over 1000 common water impurities
Color-coded tubing simplifies the initial DIY installation
Standardized filter sizes are easy to source and replace
Includes a high-quality lead-free brushed nickel faucet
Operates silently without the need for an electrical outlet

What to know first

Storage tank consumes significant under-sink cabinet space
Slow production rate compared to high-end tankless systems
Waste water is generated as part of the purification process

Specifications

UPC: 735090919450 854961005051
GTIN: 735090919450 854961005051
Brand: APEC WATER
Capacity: 50 gallons
Material: Plastic
Brand Name: APEC WATER
Model Name: ROES-50
Unit Count: 1 Count
Item Weight: 11.3 kg
Part Number: ROES-50
Manufacturer: APEC Water Systems
Model Number: ROES-50
Power Source: Ac
Material Type: Plastic
Container Type: Dispenser
Item Type Name: Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System
Number of Items: 1
Special Feature: Reduce TDS
Filter Life Cycle: 6 months
Installation Type: Under Sink
Maximum Flow Rate: 0.03 gpm
Product Dimensions: 15.5"L x 5.25"W x 17"H
Included Components: RO System, Tank, Filter Set, Owners Manual
Package Information: Dispenser
Purification Method: Activated Carbon, Reverse Osmosis
LowerTemperature Range: 40 °F
Operating Pressure Range: 40-85 psi
Item Dimensions L x W x H: 15.5"L x 5.25"W x 17"H
Global Trade Identification Number: 00854961005051
Other Special Features of the Product: Reduce TDS
Supported Water TDS Level Maximum (PPM): 2000

How to get the most out of it

Initial System Flush

After installation, allow the tank to fill completely and then drain it twice before drinking. This clears out any carbon fines and sanitizing agents left over from the manufacturing process.

Ownership tips

tip

Optimize Water Pressure

If your home water pressure is below 40 psi, consider adding a permeate pump. This will help the system work more efficiently and reduce the amount of waste water produced.

care

Filter Schedule

Change the three bottom pre-filters every 6 to 12 months depending on your local water quality. The RO membrane and post-carbon filter typically last between 2 to 4 years.

Frequently asked questions

Does this system remove fluoride from the water?

Yes, the reverse osmosis membrane in this system is highly effective at removing fluoride along with other minerals and chemicals. It provides a significant reduction compared to standard carbon-only filters.

Does this unit require electricity to operate?

No, the ROES-50 operates entirely on your home's incoming water pressure. You do not need an outlet under your sink unless you choose to add an optional UV light or pump.

How much water is wasted during the filtration process?

Like all RO systems, this unit discharges water to flush away contaminants. Typically, it uses about 3 units of water for every 1 unit of purified water produced, which is standard for residential efficiency.

Can I connect this to my refrigerator ice maker?

Yes, you can purchase an additional icemaker kit to split the purified water line. This allows you to enjoy clear ice cubes and filtered water directly from your fridge dispenser.

Where can you buy the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage?

ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage is sold through Amazon, and APEC WATER also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage cost?

The last price Ravvy recorded was $180. Retail pricing on water filtration moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when water filtration discounts run deepest, compare the open box or renewed listing against new stock, and check whether APEC WATER is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage in stock right now?

It was in stock at our last check. Availability on popular water filtration can change within hours, so the live listing is the source of truth.

Is the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage worth it?

Ravvy scores it 89.6 out of 100. The strongest argument for it is high-efficiency removal of over 1000 common water impurities. The trade off to weigh is storage tank consumes significant under-sink cabinet space.

Who should buy the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage?

It fits budget-conscious homeowners and DIY enthusiasts looking for bottled-water quality If that does not describe your situation, compare it with the other options in Water Filtration before committing.

What are the key specs of the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage?

UPC: 735090919450 854961005051. ASIN: B00I0ZGOZM. GTIN: 735090919450 854961005051. Brand: APEC WATER.

What are good alternatives to the ROES-50, 5-Stage Under Sink Reverse Osmosis System, 50 GPD 5 Stage?

Compare it against the other scored picks in Water Filtration on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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