Peel-N-Stick Blue Reflective Road Marker (2 Pack) Inlet Size_4 Inch These couplings are NOT field

These couplings are NOT field serviceable or replaceable

No plain anodized

you need 2 1/2 inch plug which is the most common in the US

Compatible part number - DMH2520

Peel-N-Stick Blue Reflective Road Marker (2 Pack) Inlet Size_4 Inch These couplings are NOT fieldOur commercial grade heavy duty DOT approved blue reflective road markers are a great tool for locating fire hydrants, water points and other hard to see items in the dark. The 4 inch by 4 inch reflector is constructed of hard acrylic for maximum strength and a [; astic base for optimal grip during installation. The highly visible internal reflector is protected by a rib and fish hook design. Designed for any roadway and to withstand all cars and