Designed to thread or solvent-weld to a 4" slotted PVC monitoring well pipe. Constructed of durable PVC with a stainless steel hinge pin for resistance to rust and corrosion. An API warning statement, "Monitoring Well...Do Not Fill," is permanently molded into the cap.
Features
- Can be locked w/ a long-shank padlock
- PVC construction
- Stainless steel hinge pin
