• Manufacturer: Air Supply 

• Material: Plastic 

The Clear Check Valve 1/4 –Pound Spring Style – 112500 has a dome shape that creates an even air flow and has a drip-proof seal. The body of the 112500 check valve is clear and contains a spring made of stainless steel. The Air Supply check valve has a 1 ½-inch IPS and a 2-inch LPS. If your pool or spa is malfunctioning, then your spa may drain even after you turn it off. This problem is easily fixed with an Air Supply 112500 replacement check valve.