Aquarium Betta One-Way Check Valve, Right-Hand Universal Dispenser, 3-Piece Hose Fittings

About this item: Water dispenser valve: prevents temperature fluctuations, making the water dispenser more energy-efficient and economical. Check valve: easy to connect and disconnect; no tools required, absolutely tool-free installation. One-way valve: uses in-line control to ensure reverse flow protection. Straight in one direction: rustproof and rust-free, safe for use on your water dispenser and water pipe. Reliable use. Plastic check valve: high compatibility: works with plastic, copper, or PEX pipes.