Details
MVP Manhole Ventilation Pass Thrus
- Designed to maintain and re-direct air flow with minimal restriction into manholes, sewers and tanks
- Combines the low profile manhole air vent, 90º elbow and built-in mounting all into one easy assembly
- Air vent and elbows made from recyclable bright yellow linear low density polyethylene (LLDPE)
- Vinyl polyester duct with PVC coating is heat resistant up to 180°F
- 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