This float valve, has a 1/4" quick connect fitting and adjustable water level. It works great for the Stealth-RO and Small Boy or any other filter system with 1/4" tubing. Auto Fill Valve is perfect for both permanent and temporary installations. Non-toxic, tasteless, and can be used for drinking water or food machinery. Valve Body: ABS Plastic. This float valve, has a 1/4" quick connect fitting and adjustable water level. It works great for the Stealth-RO and Small Boy or any other filter system with 1/4" tubing. Auto Fill Valve is perfect for both permanent and temporary installations. Non-toxic, tasteless, and can be used for drinking water or food machinery. Valve Body: ABS Plastic. Product Description Value Head: NR. Working Water Pressure: 0.01 - 1.2 Mpa Working Temp: -30 C to +70 C. Float Ball: PE. Package includes: 1/4" Float Valve x 1