Part # 6223-577
Manufacturer Code UHXPOSHZ13008
Hayward Indoor Vent Adapter Kit, H300Fd, Positive-Pressure (Horizontal) - UHXPOSHZ13001
Hayward Indoor Vent Adapter Kit, H300FD, Positive-Pressure, Horizontal - UHXPOSHZ13001 Replaced by UHXPOSHZ13008