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Inline Alkaline Filter – 1/4" and 3/8" Quick Connect (SKU# ALK-QC)

0 out of 5
$25.00
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3-in-1: Alkaline (raise pH level), ORP and Tourmaline inline filter, 2"x10", 1/4″ and 3/8″ Quick Connect (SKU# 3IN1-MAF)

4.67 out of 5
$25.00
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4-in-1 Remineralization Filter Cartridge, 2″x10″, 1/4″ and 3/8″ Quick Connect (SKU# MINERAL4IN1)

4.00 out of 5
$25.00
-17%
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Inline Far-Infrared Re-mineralization Filter Cartridge (58 Minerals) , size: 10" x 2", 1/4″ and 3/8″ Quick Connect (SKU# MINERAL58-QC)

4.00 out of 5
Original price was: $29.95.Current price is: $25.00.
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Inline Bone Char / Fluoride removal filter, SKU# CHAR-10-2

0 out of 5
$24.99
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10″ x 4.5″ Coconut GAC Filter – Whole House Big Blue Cartridge, Reduces Chlorine & Odor, SKU# CGAC-10BB

0 out of 5
$24.90
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Inline Mechanical Shut-Off Timer for Countertop RO Systems – 3/8″ OD Tubing (SKU# TIMER-QC38)

0 out of 5
$24.50
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Inline Mechanical Shut-Off Timer for Countertop RO Systems – 1/4″ OD Tubing (SKU# TIMER-QC14)

5.00 out of 5
$24.50
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10" x 4.5" Premium Coconut Carbon Block CTO Water Filter – 10 Micron, Whole House Big Blue Replacement, Reduces Chlorine, Taste, Odor & VOCs, SKU# CACB-10BB

0 out of 5
$24.00
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Replacement Set (3 pcs) for 3 Stage Whole House Filtration Systems. Replacement Set of 3 filters: Sediment, GAC, Premium Activated Carbon Block (Premium Set)

0 out of 5
$24.00
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Premium DI Ion Exchange Filter, 3 different media: 1/2 DI, 1/4 KDF-85, and 1/4 GAC T33 Carbon (SKU# H-F1035DI-KDF85-T33)

0 out of 5
$24.00
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Inline DI Mixed Bed Filter, Made in USA, NSF Certified (SKU# K2555-BB)

5.00 out of 5
$24.00
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Inline GAC T33 with KDF-55 Inline Filter (antibacterial) , NSF Certified, Made in USA, (SKU# K2567-BB)

3.00 out of 5
$24.00
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100 GPD RO Reverse Osmosis Membrane – 1812 TFC Type | High Rejection Replacement | SKU# TW-1812-100

0 out of 5
$22.00
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Inline Softener Filter Cartridge – 2.5″ × 11″ (SKU# K5654-BB)

5.00 out of 5
$21.90
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75 GPD RO Reverse Osmosis Membrane – 1812 TFC Type | High Rejection Replacement, SKU# TW-1812-75

0 out of 5
$20.00
Universal Whole House Filter set
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Universal Whole House Filter or Undersink Reverse Osmosis RO Replacement Set of 3 filter cartridges: Sediment, GAC, CTO Carbon Block.

5.00 out of 5
$20.00
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Inline Premium DI Ion Exchange Filter (close to 0 PPM), 1/4″ & 3/8″ OD Tubing Connection (SKU#: H-F1035DI)

5.00 out of 5
$19.95
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Inline DI Deionization Filter (For Ultra-Pure Water), 1/4" & 3/8" OD Tubing Connections (SKU# DI-QC)

0 out of 5
$19.90
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10" x 4.5" Carbon Block CTO Water Filter – 10 Micron, Whole House Big Blue Replacement, Reduces Chlorine, Taste, Odor & VOCs. SKU# CTO-10BB

0 out of 5
$19.00
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Heavy-Duty Dual Bracket for Big Blue Filter Housings – Fits 10″ & 20″ Systems, SKU# BR-2-BB

0 out of 5
$19.00
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Triple Metal Bracket for Triple Stage Whole House Filtration Systems

0 out of 5
$18.99
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Inline Calcite (Alkaline/Acid Neutralization) filter, made in USA, NSF Certified, 1/4" & 3/8" OD Tubing Connections (SKU# K2548-BB)

4.00 out of 5
$18.90
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50 GPD RO Reverse Osmosis Membrane – 1812 TFC Type | High Rejection Replacement, SKU# JB-1812-50

5.00 out of 5
$18.00
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1/4" OD NSF/ANSI Certified Reverse Osmosis Tubing, 3 feet / 10 feet / 20 feet / 50 feet (SKU# TU-14-W)

4.00 out of 5
Price range: $3.99 through $16.99
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Inline GAC T33 carbon filter, NSF Certified, Made in USA, 1/4″ & 3/8″ OD Tubing Connections (SKU# CL10ROT33-B)

4.50 out of 5
$14.00
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Inline GAC T28 Coconut Carbon Filter, NSF Certified, Made in USA, (SKU# CL10ROT28-B)

5.00 out of 5
$14.00
-35%
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Countertop RO Shower Arm & Handheld Shower Conversion Kit, SKU# FT-SHOWERARM

5.00 out of 5
Original price was: $19.99.Current price is: $13.00.
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10" x 4.5" Pleated Sediment Water Filter – 5 Micron, Washable & Reusable, Whole House Big Blue Replacement, Removes Dirt, Sand & Rust, SKU# SED5-PLT-10BB

0 out of 5
$12.99
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Digital pH Meter for Water Testing (SKU# METER-PH)

5.00 out of 5
$12.99
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Premium Replacement Set for 2 Stage (Dual) Whole House Filtration Systems: Sediment & Premium Activated Carbon Block

0 out of 5
$12.00
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RO Membrane Housing for 1812 / 2012 Membranes (36–150 GPD) – 1/8″ Threaded Fittings

0 out of 5
$12.00
-20%
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Single Kitchen Faucet Diverter – Fits 55/64″ Male Threaded Spouts (SKU# SINGLEDIVERTER)

5.00 out of 5
Original price was: $14.99.Current price is: $12.00.
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Dual Kitchen Faucet Diverter – Fits Male Threaded Spouts (SKU# DUALDIVERTER)

0 out of 5
$11.99
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10" x 4.5" Sediment Water Filter – 5 Micron, Big Blue Whole House Replacement, Extra Capacity, Removes Dirt, Sand & Rust, SKU# SED5-10BB

0 out of 5
$9.99
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Single Kitchen Faucet Diverter, fit spout with MALE threads (55/64")

0 out of 5
$9.99
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Dual Metal Bracket

0 out of 5
$9.99
-31%
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Pull-Down Kitchen Faucet Adapter Kit for Countertop RO Systems, SKU# FT-PDA

4.00 out of 5
Original price was: $12.99.Current price is: $9.00.
Cutter
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Universal Sharp Tube/Hose Cutter, precise cut 1/4" or 3/8" tubing with Quick Connect fitting release tool (SKU# CUTTER)

4.00 out of 5
$8.99
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Inline Coconut Carbon GAC T33 Post Filter – Taste & Odor Improvement, 2" × 10", 1/4″ & 3/8″ OD Tubing Connections (SKU# IL-10W-C-14)

5.00 out of 5
$8.95
TDS3 meter
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Digital TDS-3 Meter for Water Testing (SKU# TDSMETER)

3.00 out of 5
$8.00
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Universal Garden Hose Adapter for RO & Water Filtration Systems – 3/8″ OD Tubing (SKU# FT-GARDEN-QC38)

0 out of 5
$7.99
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Garden & Laundry Hose Adapter for Countertop RO Systems and 1/4″ OD Tubing Applications, (SKU# FT-GARDEN-QC14)

5.00 out of 5
$7.99
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Heavy-Duty Single Bracket for Big Blue Filter Housing – Fits 10″ & 20″, SKU# BR-1-BB-8S

0 out of 5
$7.90
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Black Housing Wrench for 1″ Whole House Filter Systems, SKU# WRENCH-BB

0 out of 5
$6.99
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Inline PureT IL-10W-S5-EZ14 Sediment Water Filter – 5 Micron | 2″ × 10″ Standard Size | 1/4″ Tubing Connection, SKU# IL-10W-S5-EZ14

0 out of 5
$6.99
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Premium Inline Sediment Filter – 5 Micron, 2" × 10" (SKU# IL-10W-S5-14)

4.50 out of 5
$6.95
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Universal Auto Shut-Off Valve for Under-Sink RO Systems – 1/4″ Quick Connect (SKU# FT-ASO)

5.00 out of 5
$5.99

WHY CHOOSE US

Free Shipping

We offer free U.S. shipping on orders over $75. Orders are shipped via UPS or USPS.

100% money back guarantee.

Our Countertop Reverse Osmosis Systems come with a 30-day money-back guarantee. Filter cartridges include a 30-day limited warranty.

Online Support 24/7

Just send us an email, and we will reply within 24 hours.