VGB compliant Suction Cover that replaces all High Flow Hydro Air suction fittings using standard 1-1/2 threaded wall fittings. Includes both the cover and adapter plate with screws. 4" x 1-1/16" This will not work with the Slim Line Hydro Air suction fittings found in many bath tubs Replaces: 10-6806, 10-6906, 30-6806, 30-6906 |