Product Description 1" Bag NPT Thread to 3/4" Quick Connect for Eight.3:

The 1" Bag NPT Thread to 3/4" Quick is the best way to connect your new Eight.3 bags to your ballast system. These 1" to 3/4" adapters will connect to the standard 3/4" flow-rite connectors so you can clip your new Eight.3 ballast bags to your pumps.