4" H-Plug Locking Monitoring Well Plug SCH 40

The H-Plug is a newly designed nylon watertight locking expansion plug. It allows you to use a special wing shaped key (sold separately) for security purposes. Nylon watertight expansion plug that is similar to the Torquer.

• Hard-hitting Gallonass filled nylon, ultra-high chemical, and temperature resistant.
• 100% nylon, completely inert, no corrosive parts.
• Test well and warning label both provided.
• Key sold separately  

Enviro Design Products is an authorized distributor of Koby Environmental's high-quality American made products. Koby Environmental has been designing, engineering, developing and manufacturing environmental groundwater and soil testing equipment since 1989.