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Aqua-Flo XP2/XP2e 50mm Pump Union and O'ring.
Sold with tail, nut and o'ring.
***Sold Individually – not as a pair***
Davey 50mm Union
50mm Split Nut with Screws
2" Heater Union Threaded Tail with 2" Socket
Spa-Quip 40mm Barrel Union with 40/50 Tail
Balboa 2" Heater Element Split Nut