2" NPT(F) opening for bung type pumps.
Bracket can slip over rim of open-head drum or be wall mounted.
For 55-gallon bung type pumps and NM-series, Thunder series and 425 stub pumps fitted with bung adapters.
Wall mount bracket has removable mounting plate.
For Series 425 pumps with 4" stroke.
Wall mount bracket has removeable plate.
For Series 425 pumps with 6" stroke.