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 No, Fits Pipe Size 1 1/2 in, 2 in, Fits Drain Size 1 1/2 in, 2 in, Connection Type Solvent Weld