The John Guest 3/8" x 3/8" Union Adapter is designed for securely connecting two sections of 3/8" OD tubing. With John Guest’s reliable push-fit technology, it provides a fast, tool-free way to install or disconnect tubing—ideal for water filtration, beverage systems, and pure water applications.
Manufactured from durable white polypropylene with a food-grade EPDM O-ring, this fitting is NSF-certified for safe use with potable water.
Features & Benefits:
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Connects two lengths of 3/8" OD tubing
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Compatible with both plastic and copper OD-sized tubing
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Polypropylene body with food-grade EPDM O-ring
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Quick and easy push-fit connection/disconnection—no tools required
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Lead-free and food-quality materials
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NSF51 and NSF61 certified
Specifications:
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Max pressure: 150 psi at 70°F
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Max pressure: 60 psi at 140°F
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Color: White
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Material: Polypropylene (body), EPDM (O-ring)
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Part Number: PP0412W
Perfect for residential water filtration, beverage dispensers, and a variety of pure water applications.
