- Barrier molded from durable plastic that fits snugly under most standard manhole covers.
- Visible only when manhole cover is lifted, the lightweight barriers must be physically removed before allowing entry.
- Overlaminated vinyl label withstands the most extreme of conditions.
- Premolded drain vents allow for water and air movement as well as offering a convenient way to lift the barrier from the manhole.
- Choose from 24" or 26" dia.
Select options above to see specifications.