Sized for larger openings, the Pelsue 3336-12A aluminum manhole shield uses a pneumatic seal instead of clamps or sealing compounds - inflate the internal tube and the shield forms a water-tight seal against the manhole opening, no tools required. This reversible model fits both 33" and 36" electric utility manhole openings, at a 12" height, and weighs 24 lbs.

Specifications:

• Top diameter: 33" (83.8 cm)
• Bottom diameter: 36" (91.4 cm)
• Height: 12" (30.5 cm)
• Application: Electric utility manholes
• Material: All aluminum fabrication
• Weight: 24 lbs.