· The Manhole Ventilation Passthru (MVP) is designed to maintain and redirect air flow with minimal restriction into manholes, sewers and tanks
· Low profile elbow fits underneath the lower cross bar of the guardrail
· Manhole cover fits into flat channeled corners for stabilization
· Small storage bag holds ducting.
· Quick release draw string to drop ducting into manhole
· Collapsible duct for easy entry springs back into shape once worker is down into the manhole
· Combines three components, the low profile manhole air vent, 90° elbow and built in mounting all into one easy assembly
· Reducing overall size, storage and shipping cost.
· Linear Low Density Polyethylene (LLDPE)
· Bright Yellow.
· Vinyl and polyester with PVC coating
· Compressible inner support coils
· Heat resistance up to 180°F (88.2°C).