Pressure Actuated Fills (PAF) Manholes – Cover Page & Part # Code
Model PAF 412-5.0, 16″ Manhole. DOT 412 Pressure Relief Device
Model PAF 412-5.0, 16″ Offset Manhole. DOT 412 Pressure Relief Device
Model PAF 412-5.0, 20″ Manhole. DOT 412 Pressure Relief Device
Model PAF 412-5.0, 20″ Offset Manhole. DOT 412 Pressure Relief Device