This T shaped water splitters combines 3 / 8inch internal threads, 3 / 8inch external threads, and a 1 / 4inch branch hose connection for plumbing integration with refrigerators or filtrations systems The Water Connectors Adapter T Piece features sturdy copper construction, enabling simultaneous connection of two devices to your water supply without leaks For kitchen installations where space constrained water hookups require double device operations, or outdoor setups connecting garden hoses to faucets and irrigation tool Ideal for homeowners and enthusiasts needing to operate multiple water dependent appliances like reverse systems, coffee makers, and garden hose accessories simultaneously Its integrated rubber sealing rings and single valves control ensures easy maintenance while providing universals compatibility with standard 1 / 2inch water interfaces across household appliances