Photo 1 of (Pack of 2) 3" Square Black Plastic Plug (3 Sq Inch) 3-7 Ga Plastic LDPE Flexible Ridges End Cap for Inside Dimensions 2.49" to 2.64". 3"x3" Fence Post Pipe. Tube Cover Insert Finishing Plug

Double tap image to zoom

Photo 1 of (Pack of 2) 3" Square Black Plastic Plug (3 Sq Inch) 3-7 Ga Plastic LDPE Flexible Ridges End Cap for Inside Dimensions 2.49" to 2.64". 3"x3" Fence Post Pipe. Tube Cover Insert Finishing PlugPhoto 2 of (Pack of 2) 3" Square Black Plastic Plug (3 Sq Inch) 3-7 Ga Plastic LDPE Flexible Ridges End Cap for Inside Dimensions 2.49" to 2.64". 3"x3" Fence Post Pipe. Tube Cover Insert Finishing Plug