Pentair 273564 Manual Air Relief Assembly

Measures 3-3/8-inch length by 6-1/2-inch height by 4-inch width.This air relief assembly valve also includes the o-ring for sealing the valve to the filter. You can relieve pressure in the sand filter in your pool when you have this Pentair filter air relief valve. You’ll be able to swim all summer long and have fun in the sun with crystal clear water in your backyard pool.You can keep your pool in tip top shape when you have this Pentair Sand Filter Air Relief Valve.