Skip to content

Flash Sale: Get Extra 15% Off On All Whole House Systems. No Code Needed.

Subscribe & Save: Save Up to Extra 10% on Replacement Filters Subscription Orders

Free Shipping on Orders $49+

Reverse Osmosis
- Undersink Systems
- Countertop Systems
Ultimate Series - US Made Filters

AIO Countertop RO System with UV
Water Filtration
- Undersink
- CuZn
Whole House
Hydro Express Water Softener
Filters
US Made Filters
Parts
2-in-1 Kitchen Faucets
Sale
- Promotions
- Clearance
Resources
Contact Us

Open search Open account page Open cart

Contact Us
My Account

View All Residential RO Systems

RO System Ultimate Series Nav Menu

Ultimate Series - US Made Filters

AIO Countertop RO System with UV

Undersink
CuZn

Car Wash System
View All

water softener navigation menu featured

Hydro Express Water Softener

View All

2 in 1 kitchen ro faucet featured

2-in-1 Kitchen Faucets

Promotions
Clearance

About APEC Water
Careers
FAQs
Product Manual
Refer a Friend
Rewards
Water Education
Which System Is Right For You?

Tankless Series
Ultimate Series
Essence Series
View All

Chilled All-In-One
Portable All-In-One
Ultimate Series - Faucet Connection Only
View All

Salt-Based Water Softener
Salt-Free Water Conditioner
View All

Chlorine, Chemical and Odor removal
Iron Removal
View All

Multi-Stage Whole House
Dual Tanks
Total Solution Combos
View All

Single Filters
Filter Sets
View All

Single Filters
Filter Sets
View All

Non-RO Water Filtration Filters
Specialty Filters
Replacement Media
Commercial RO System Replacement Filters

Tanks
Pumps
Leak Detectors
Reverse Osmosis Filter Housings
O-Rings
Fittings
Reverse Osmosis UV
View All

Basic Whole House Systems
Basic Whole House Filter Housings
Heavy Duty Whole House Systems
View All

Smart Leak Detector
Sparkling Water Maker
Test Kits
Water Cooler Parts
View All

Premium 2-In-1 Pull-Down Faucets
Premium Grade Dual Temperature
View All

0

Your cart is empty

Continue shopping

Shop All

Filters

Sort by

Featured

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

In stock only

Price

$USD to $USD

Size

BALLVAL1-4 (1/4" Tube OD x 1/4" Tube OD) PPSV040808W (1)

BALLVAL3-8 (3/8" Tube OD x 3/8" Tube OD) PPSV041212W (1)

For 1/4" Output (1)

For 3/8" Output (1)

JG-ELB1-4X1-4 (1/4" Tube OD x 1/4" NPTF Thread) PP480822W (1)

JG-ELB1-4X1-8 (1/4" Tube OD x 1/8" NPTF Thread) PP480821W (1)

JG-ELB1-4X3-8 (1/4" Tube OD x 3/8" NPTF Thread) PP480823W (1)

JG-ELB3-8X1-4 (3/8" Tube OD x 1/4" Thread NPTF) PP481222W (1)

JG-ELB3-8X3-8 (3/8" Tube OD x 3/8" Thread NPTF) PP481223W (1)

JG-FAUCETC1-4 (1/4" Tube OD x 7/16" UNS Thread) PP3208U7W (1)

JG-FAUCETC3-8 (3/8" Tube OD x 7/16" UNS Thread) PP3212U7W (1)

JG-LOCKCLIP1-4 (1/4" Tube OD) PIC1808R (1)

JG-LOCKCLIP3-8 (3/8" Tube OD) PIC1812R (1)

JG-REDUCR3-8X1-4 (3/8" Tube OD x 1/4" Tube OD) PP201208W (1)

JG-REDUCRTE3-8X3-8X1-4 (3/8" Tube OD x 3/8" Tube OD x 1/4" Tube Branch) PP30121208W (1)

JG-UNIONC1-4 (1/4" Tube OD X 1/4" Tube OD) PP0408W (1)

JG-UNIONC3-8 (3/8" Tube OD X 3/8" Tube OD) PP0412W (1)

JG-UNIONTE1-4 (1/4" Tube OD x 1/4" Tube OD x 1/4" Tube OD) PP0208W (1)

JG-UNIONTE3-8 ( 3/8" Tube OD x 3/8" Tube OD x 3/8" Tube OD) PP0212W (1)

JGSL-UNIONC3-8X5-16ST (3/8" Superseal OD x 5/16" Speedfit OD) SI041010S (1)

TBVAL1-4X1-4 (1/4" Tube OD x 1/4" NPTF Thread) PPSV500822W (1)

TBVAL3-8X1-4 (3/8" Tube OD x 1/4" NPTF Thread) PPSV501222W (1)

Features

Chlorine, Chemicals and Odor Removal (17)

Iron/Sulfide Removal - Orange Stains & Rotten Egg Smell (7)

LED Indicator (3)

Low Water Pressure Pump (2)

pH Enhancer (5)

Quick Dispense (3)

Sediment & Fine Dust Removal (6)

UV Light (3)

Water Softener/Water Conditioner (8)

Filtration Stages

3-Stage (2)

4-Stage (5)

5-Stage (9)

6-Stage (5)

7-Stage (1)

All-In-One (2)

Replacement Filters

Competitive High Performance (11)

Premium US Made (6)

Capacity

Up to 4 People Household (6)

Up to 6 People Household (6)

Up to 8 People Household (3)

Filters

Sort by:

In stock only

Price

$USD to $USD

Size

BALLVAL1-4 (1/4" Tube OD x 1/4" Tube OD) PPSV040808W (1)

BALLVAL3-8 (3/8" Tube OD x 3/8" Tube OD) PPSV041212W (1)

For 1/4" Output (1)

For 3/8" Output (1)

JG-ELB1-4X1-4 (1/4" Tube OD x 1/4" NPTF Thread) PP480822W (1)

JG-ELB1-4X1-8 (1/4" Tube OD x 1/8" NPTF Thread) PP480821W (1)

JG-ELB1-4X3-8 (1/4" Tube OD x 3/8" NPTF Thread) PP480823W (1)

JG-ELB3-8X1-4 (3/8" Tube OD x 1/4" Thread NPTF) PP481222W (1)

JG-ELB3-8X3-8 (3/8" Tube OD x 3/8" Thread NPTF) PP481223W (1)

JG-FAUCETC1-4 (1/4" Tube OD x 7/16" UNS Thread) PP3208U7W (1)

JG-FAUCETC3-8 (3/8" Tube OD x 7/16" UNS Thread) PP3212U7W (1)

JG-LOCKCLIP1-4 (1/4" Tube OD) PIC1808R (1)

JG-LOCKCLIP3-8 (3/8" Tube OD) PIC1812R (1)

JG-REDUCR3-8X1-4 (3/8" Tube OD x 1/4" Tube OD) PP201208W (1)

JG-REDUCRTE3-8X3-8X1-4 (3/8" Tube OD x 3/8" Tube OD x 1/4" Tube Branch) PP30121208W (1)

JG-UNIONC1-4 (1/4" Tube OD X 1/4" Tube OD) PP0408W (1)

JG-UNIONC3-8 (3/8" Tube OD X 3/8" Tube OD) PP0412W (1)

JG-UNIONTE1-4 (1/4" Tube OD x 1/4" Tube OD x 1/4" Tube OD) PP0208W (1)

JG-UNIONTE3-8 ( 3/8" Tube OD x 3/8" Tube OD x 3/8" Tube OD) PP0212W (1)

JGSL-UNIONC3-8X5-16ST (3/8" Superseal OD x 5/16" Speedfit OD) SI041010S (1)

TBVAL1-4X1-4 (1/4" Tube OD x 1/4" NPTF Thread) PPSV500822W (1)

TBVAL3-8X1-4 (3/8" Tube OD x 1/4" NPTF Thread) PPSV501222W (1)

Features

Chlorine, Chemicals and Odor Removal (17)

Iron/Sulfide Removal - Orange Stains & Rotten Egg Smell (7)

LED Indicator (3)

Low Water Pressure Pump (2)

pH Enhancer (5)

Quick Dispense (3)

Sediment & Fine Dust Removal (6)

UV Light (3)

Water Softener/Water Conditioner (8)

Filtration Stages

3-Stage (2)

4-Stage (5)

5-Stage (9)

6-Stage (5)

7-Stage (1)

All-In-One (2)

Replacement Filters

Competitive High Performance (11)

Premium US Made (6)

Capacity

Up to 4 People Household (6)

Up to 6 People Household (6)

Up to 8 People Household (3)

373 products

RO-PUMP – Electric Pumped Reverse Osmosis Water System for Drinking Water, for International Use

RO-PUMP – Electric Pumped Reverse Osmosis Water System for Drinking Water, for International Use

Sale price$399.95 USD

APEC RO Replacement Filters Pre-filter Set for ESSENCE 75 GPD ROES-UV75-SS V2 UV Reverse Osmosis Systems (Stages 1-3 and 5)

APEC RO Replacement Filters Pre-filter Set for ESSENCE 75 GPD ROES-UV75-SS V2 UV Reverse Osmosis Systems (Stages 1-3 and 5)

Sale price$59.99 USD

Sold out

APEC Fluoride Pre-filter Set for WFS-1000 Water Filtration System (Stages 1 - 3)

APEC Fluoride Pre-filter Set for WFS-1000 Water Filtration System (Stages 1 - 3)

Sale price$56.95 USD

1" PVC Male NPT Elbow Adapter Kit

1" PVC Male NPT Elbow Adapter Kit

Sale price$12.95 USD

John Guest Fixed Elbow (1/4" Tube OD x 3/8" Thread NPTF) (PP480823W)

John Guest Fixed Elbow (1/4" Tube OD x 3/8" Thread NPTF) (PP480823W)

Sale price$2.95 USD

O-Ring for Control Head Valve of APEC Whole House Treatment Systems

O-Ring for In and Out Head Valve in Whole House Filters

Sale price$7.95 USD

On sale

GREEN-CARBON-15-FG Whole House Water Filter System

GREEN-CARBON-15-FG Whole House Water Filter System

Sale price$999.95 USD

Regular price$1,059.00 USD

John Guest Polypropylene Fittings Fixed Elbow

John Guest Polypropylene Fittings Fixed Elbow

Sale price$2.00 USD

APEC Reverse Osmosis Membrane 100 GPD

APEC Reverse Osmosis Membrane 100 GPD

Sale price$49.95 USD

RO-QUICK90 – Ultimate Compact 4-Stage 90 GPD High Output Undersink Reverse Osmosis Water Systems for Drinking Water

RO-QUICK90 – Ultimate Compact 4-Stage 90 GPD High Output Undersink Reverse Osmosis Water Systems for Drinking Water

Sale price$249.95 USD

On sale

WTS Max 10 FG Wholehouse Water Softener

WHOLE HOUSE MAX - 10 HEAVY DUTY WHOLE HOUSE WATER PURIFICATION SYSTEM

Sale price$949.95 USD

Regular price$1,000.00 USD

On Sale

Hydro Express Water Softener 45 Plus Alkaline Mineral 6-Stage RO System Value Bundle

Hydro Express Water Softener 45 Plus Alkaline Mineral 6-Stage RO System Value Bundle

Sale price$849.99 USD

Regular price$899.00 USD

On sale

TOTAL SOLUTION 15-FG WHOLE HOUSE WATER PURIFICATION SYSTEM

TOTAL SOLUTION 15-FG WHOLE HOUSE WATER PURIFICATION SYSTEM

Sale price$2,549.95 USD

Regular price$2,899.00 USD

2.5 Inch Standard Blue Media Funnel

2.5 Inch Standard Blue Media Funnel

Sale price$9.95 USD

On sale

APEC WH-SOLUTION-15-FG Salt Free Water Conditioner and Whole House Water Purification Systems for Home with 3-6 bathrooms

APEC WH-SOLUTION-15-FG Salt Free Water Conditioner and Whole House Water Purification Systems for Home with 3-6 bathrooms

Sale price$2,149.95 USD

Regular price$2,329.00 USD

John Guest Fixed Elbow (3/8" Tube OD x 1/4" Thread NPTF) (PP481222W)

John Guest Fixed Elbow (3/8" Tube OD x 1/4" Thread NPTF) (PP481222W)

Sale price$3.95 USD

John Guest Polypropylene Fittings Faucet Connector

John Guest Polypropylene Fittings Faucet Connector

Sale price$3.15 USD

APEC Intense Ultra-Violet Sterilizer Water Filtration Kit with 1/4" Quick Connect

APEC Intense Ultra-Violet Sterilizer Water Filtration Kit with 1/4" Quick Connect

Sale price$131.95 USD

1" Male Bypass Valve for Whole House Filters

1" Male Bypass Valve for Whole House Filters

Sale price$36.95 USD

APEC Luxury Designer Faucet with Tubing Attached - Chrome Bright, Lead-Free

APEC Luxury Designer Faucet with Tubing Attached - Chrome Bright, Lead-Free

Sale price$20.95 USD

PVC Ball Valve Kit 1-1/4" to 3/8" outlet for TANK-34, TANK-44 & TANK-86

PVC Ball Valve Kit 1-1/4" to 3/8" outlet for TANK-34, TANK-44 & TANK-86

Sale price$46.95 USD

John Guest Polypropylene Fittings Reducing Union Connector

John Guest Polypropylene Fittings Reducing Union Connector

Sale price$2.65 USD

APEC KDF85 2.5 Inchx10 Inch GAC Water Filter Heavy Metals and Hydrogen Sulfide Reduction

APEC KDF85 2.5 Inchx10 Inch GAC Water Filter Heavy Metals and Hydrogen Sulfide Reduction

Sale price$38.95 USD

John Guest Locking Clip for 3/8" Tube OD (PIC1812R)

John Guest Locking Clip for 3/8" Tube OD (PIC1812R)

Sale price$2.95 USD

ROCT-C1 -UV Countertop Reverse Osmosis System, Chilled Water with Removable Water Pitcher

ROCT-C1 -UV Countertop Reverse Osmosis System, Chilled Water with Removable Water Pitcher

Sale price$499.00 USD

US Made Chlorine, Heavy Metal and Bacteria Reduction Specialty Filter 4.5"x 20 Inch

US Made Chlorine, Heavy Metal and Bacteria Reduction Specialty Filter 4.5"x 20 Inch

Sale price$124.95 USD

US Made Chlorine, Heavy Metal and Bacteria Reduction Specialty Filter 4.5"x 10 Inch

US Made Chlorine, Heavy Metal and Bacteria Reduction Specialty Filter 4.5"x 10 Inch

Sale price$61.95 USD

US Made Heavy Metals and Hydrogen Sulfide Reduction Specialty Filter 4.5"x 20 Inch

US Made Heavy Metals and Hydrogen Sulfide Reduction Specialty Filter 4.5"x 20 Inch

Sale price$135.95 USD

On Sale

ROES-UV75 - Essence UV Disinfecting 6-Stage 75 GPD Reverse Osmosis Water Systems for Drinking Water

ROES-UV75 - Essence UV Disinfecting 6-Stage 75 GPD Reverse Osmosis Water Systems for Drinking Water

Sale price$289.95 USD

Regular price$349.95 USD

Circuit Board for WTS Series Whole House System Digital Head Control Valve

Sale price$113.95 USD

Shop

Filters
Parts
Promotions
Reverse Osmosis Systems
Water Filters
Whole House Systems

About

About APEC
Accessibility Statement
APEC Charity Program
Careers
Cookie Preferences
Customer Testimonials
Do Not Sell or Share My Personal Information
Privacy Policy
Shipping & Returns
Terms & Conditions
Water Resources

Customer Service

APEC Affiliate
Contact Us
Contaminants List
FAQs
Product Manual
Installation Videos
My Account
RO Technical Center
Warranty Registration
Whole House Knowledge Base

© 2025, APEC WATER.