Collection: Water Testing Kits

Let customers speak for us

from 5 reviews

Perfect fit for my reverse osmosis system

Perfect fit for my reverse osmosis system. Very well packaged and installation/replacement was easy. Definitely will order again.

Muhamed Hasimbegovic

05/04/2026

4-Stage RO Filter Kit - With Membrane

Good to have complete bundle together

Good to have complete bundle together.

Malla Reddy

01/30/2026

5-Stage RO Filter Kit - With Membrane

Azim & Martin were extremely helpful and professional

Azim & Martin were extremely helpful and professional.

David Spooner

11/24/2025

5-Stage RO Filter Kit - With Membrane

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Collection: Water Testing Kits

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Proline EZ-450

Proline EZ-550

Proline Plus 4-Stage

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Carbon Block Filters

Complete Filter Kits

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Post Carbon

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Water Testing Kits

TDS Pocket Tester With Hold 0-9990 PPM

TDS Pocket Tester With Hold 0-9990 PPM

Let customers speak for us

Collection: Water Testing Kits

Search By System

Proline EZ-450

Proline EZ-550

Proline Plus 4-Stage

Proline Plus 5-Stage

Proline QCRO

Millennium

Categories

Carbon Block Filters

Complete Filter Kits

Membranes

Post Carbon

Sediment Filters

Storage Tanks

Valves & Faucets

Water Testing Kits

TDS Pocket Tester With Hold 0-9990 PPM

TDS Pocket Tester With Hold 0-9990 PPM

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Let customers speak for us