Universal Gravity Inlet Hatch, Black, Carded

* Lockable hatch

* 1-1/4″ barb connection and 1/2″ air vent

* Universal size fits both 4-1/4″ W x 4-3/4″ H

and 4″ W x 3″ H cutouts

* OD: 6″ W x 6-1/2″ H