The Vent prevents the cap from floating.
A Custom metal insert is molded into the cap. This allows for easy location with a metal detector.
No Glue required. Simply drop this valve marker into your pipe.
Fits 4 inch PVC or ABS pipe as well as sewer and drain pipes.
Combine several Valve Markers at manifolds instead of large, expensive curb boxes.
Comes packaged 64 per box.
