Pump O-Ring 92200300 for Volute Flo Master by Aquaflo. This is the pump oring used in XP2 spa pumps widely installed by many hot tub manufacturers including Emerald Spas.

6 1/4 inch ID and 3/32" cross section - BUNA-N oring.  Also replaces 165,164 and 9220030,92200301 and 805-0164 orings.