JR Products Polar White 4-3/4"RO Lockable Sewer Hose Access Door L8D82-A 11-0129

4-3/4" Height x 5-7/8" Width Cutout Dimension, 6-1/2" Height x 7-5/8" Width x 7/16" Collar Depth. Door comes with tank vent connection. It accepts 4" rigid PVC or flexible hose. It Includes thumb lock for added security.