The black replacement Valterra Sewer Hose Hatch is UV-stabilized and will stand up to the sun for many years without fading. Made of tough, long-lasting ABS plastic, it includes a pre-installed key lock and optional thumb lock for those who prefer a non-key lock hatch door. Designed for use with thin wall drain pipe (not included).• UV-stabilized black ABS plastic• Installation tape and hardware included• Cutout: 5-7/8"W x 4-3/4"H• Outer Dimensions: 7-5/8"W x 6-1/2"H Pre-installed key lock Optional thumb lock for those who prefer a non-key lock hatch door Designed for use with thin wall drain pipe (not included) | Valterra Sewer Hose Hatch in Black | ABS Plastic