Made of durable, lightweight Polyethylene in a vibrant yellow color that won't fade. Compatible with manholes measuring 28″ (71.1 cm), 30″ (76.2 cm), and 32″ (81.2 cm), this shield has an inflatable seal for a secure, watertight fit. Its 4-outrigger support gussets provide stability and at 12″ (30.4 cm) tall, keep water and mud out of the manhole while you work. Enhance safety with the option of using the Allegro guard rail and shield retainers.
