PPSV500822W (1/4" QC) and PPSV501222W (3/8" QC) valves use push-fit technology. The quick disconnection makes installation easy without the need for any tools. This valve has a 1/4 turn from open to closed. It is primarily designed for use with a reverse osmosis bladder tank. Additional Details ------------------------------ Bullet point: DURABLE POLYPROPYLENE CONSTRUCTION: This polypropylene ball valve is designed for durability and long-lasting performance in water purification systems. Made from high-quality polypropylene, it resists corrosion and is ideal for use with reverse osmosis water systems, water softeners, and other water filtration tanks. It ensures reliable performance, providing a secure connection with 1/4" NPT x 3/8 OD tubing connectors in various plumbing setups and home improvement projects. Product description: PPSV500822W (1/4" QC) and PPSV501222W (3/8" QC) valves use push-fit technology. The quick disconnection makes installation easy without the need for any tools. This valve has a 1/4 turn from open to closed. It is primarily designed for use with a reverse osmosis bladder tank.