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Tee Union 3/8″ PTC
Push to Connect Tee Union Acetal Fitting 3/8″
Works with ALL standards 3/8″ O.D. tubing.
Made from the highest quality Acetal (Polyoxymethylene (POM)) plastic.
Comparable to Parker Tee Union 3/8″ (A6TU6-MG)

Coastal Water Filters Acetal Fitting – 3/8″ PTC Tee Union RO – CWF-ATU060606 (A6TU6-MG). This fitting ensures secure and reliable connections in your reverse osmosis (RO) setup, providing peace of mind with its leak-free design. Crafted from high-quality acetal material, it boasts exceptional durability and resistance to corrosion, promising a long-lasting, dependable performance. The 3/8″ PTC sizing and versatile tee union design make it compatible with a wide range of RO systems, simplifying installation for DIY enthusiasts and professionals alike.

Dependable RO Connections: The Coastal Water Filters Acetal Fitting, CWF-ATU060606 (A6TU6-MG), offers secure and reliable connections for your reverse osmosis (RO) system, ensuring a leak-free experience.

Durable Design: Crafted from high-quality acetal material, this fitting is built to withstand corrosion, making it a long-lasting solution suitable for various water filtration applications.

Versatile Tee Union: With its 3/8″ PTC size and tee union design, it’s compatible with a wide range of RO systems, simplifying installation and appealing to both DIY enthusiasts and professionals.

Consistent Performance: The CWF-ATU060606 is designed to consistently maintain water quality and system integrity, providing efficient and dependable RO filtration.

Easy Installation: Upgrading your RO system is made easy with the Coastal Water Filters Acetal Fitting, ensuring a hassle-free process and improving the efficiency of your water purification setup.

Thе Coastal Watеr Filtеrs Acеtal Fitting – 3/8″ PTC Tее Union RO – CWF-ATU060606 (A6TU6-MG) is a Suitablе and robust solution for еnhancing your reverse osmosis (RO) watеr filtration systеm. It offers sеcurе and leak-free connеctions, еnsuring consistеnt watеr flow and systеm intеgrity. Craftеd from high-quality acеtal matеrial, it stands thе tеst of timе with exceptional corrosion rеsistancе. Thе 3/8″ PTC sizing and vеrsatilе tее union dеsign makе it a vеrsatilе choicе, suitablе for various RO systеms, simplifying installation for both DIY еnthusiasts and profеssionals.

Additional information


Coastal Water Filters


Brand Parker





Item Diameter


Compatible Model

Tee Union 3/8" (A6TU6-MG)


POM, Acetal


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