Recessed Air Admittance Valve Boxes Overall Diameter 6 5/8 in Shape Round Product Type Recessed Air Admittance Valve Boxes Includes Snap-On Grille Standards UPC Finish Plastic Overall Length 6 5/8 in Material Plastic Color White Overall Height 7 1/8 in Ligature Resistant No Fits Pipe Size 1 1/2 in 2 in Fits Drain Size 1 1/2 in 2 in Connection Type Solvent Weld