MVP Manhole Ventilation Pass Thrus – 16″, 25″, 32″, 62″

Description

• 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