Allegro Plastic Manhole Shield (12"h, Fits 28", 30", 32" Diameter Manholes). The High Impact Polymer Shield is constructed of rugged, lightweight polyethylene with bright yellow material that resists fading. The Manhole Shield is made to keep water and mud out of manholes. Can be used with Allegro Guard Rail and Shield Retainers.

SHIELD:

• Bright yellow for easy visibility
• Rugged and lightweight
• Polyethylene material

FEATURES: 

• Bright yellow material that resists fading
• Will fit 28” (71.1cm), 30” (76.2cm), and 32” (81.2cm) diameter manholes
• Inflatable watertight seal
• 4-outrigger support gussets that stabilize the shield
• 12” (30.4cm) tall to keep water and mud out of manhole