Pressure Actuated Fills (PAF) Manholes – Cover Page & Part # Code
Weld Collars & Gaskets – Clamp-Ring Style
Model PAF 406-98, 16″ Manhole. DOT 406 Pressure Relief Device
Model PAF 406-98, 16″ Offset Manhole, DOT 406 PRD
Model PAF 406-98, 20″ Manhole. DOT 406 Pressure Relief Device
Model PAF 406-98, 20″ Offset Manhole, DOT 406 PRD
Model PAF 406-98, 16″ Offset Manhole with Emergency Drain Plug, DOT 406 PRD
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