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Union 3/8″ PTC
Push to Connect 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 Union Connector 3/8″ (A6UC6-MG)

Coastal Water Filters Acetal Fitting – 3/8″ PTC Union RO (CWF-AUC0606 A6UC6-MG) Crafted for reliability and durability, this essential RO accessory ensures a secure, leak-free connection, making installation a breeze. Its premium acetal construction guarantees long-lasting performance, enhancing the efficiency of your RO system.

Reliable RO Connections: The Coastal Water Filters Acetal Fitting, CWF-AUC0606 (A6UC6-MG), ensures secure and leak-free connections in your reverse osmosis (RO) system, providing a reliable solution for water filtration.

Durable Design: Crafted from high-quality acetal material, this fitting is built to last, with excellent resistance to corrosion, making it ideal for long-term use in various water filtration applications.

Versatile PTC Union: Featuring a 3/8″ PTC size, it’s compatible with a wide range of RO systems, simplifying installation and making it suitable for both DIY enthusiasts and professionals.

Consistent Performance: Count on the CWF-AUC0606 to maintain water quality and system integrity, ensuring dependable and efficient RO filtration.

Easy Installation: RO system is made easy with the Coastal Water Filters Acetal Fitting, simplifying the installation process and enhancing the effectiveness of your water purification setup.

The Coastal Water Filters Acetal Fitting – 3/8″ PTC Union RO (CWF-AUC0606 A6UC6-MG) is a standout choice for those seeking to improve their water filtration system. With its premium acetal construction, effortless installation, and dependable leak-free design, it offers a solution that enhances both the performance and reliability of your RO system.

Additional information


Coastal Water Filters

Compatible Brand






Item Diameter


Compatible Model

Union Connector 3/8" (A6UC6-MG)


POM, Acetal


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