Allegro 9401-12 Plastic Manhole Shield

Constructed of rugged, lightweight Polyethylene with bright yellow material that resists fading. Will fit 27", 30" and 32" diameter manholes with an inflatable seal that ensures a watertight seal. Designed with 4-outrigger support gussets that stabilize the shield and is 12" tall to keep water and mud out of manhole as you work. Can be used with Allegro gaurd rail and shield retainers.., Product Features: SHIELD: Bright yellow for easy visibility Rugged and lightweight Polyethylene material FEATURES: Bright yellow material that resists fading Will fit 27” (68.5cm), 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