Waterway Jumbo Jet internal O-ring
Part number 805-0230.
This o-ring is also used in 2 inch pump split nut unions, sand filters, valves and in other pool and spa component locations.
This is the Jumbo o-ring and has an o-reference number of O-43. It is 1/8" thick (cross section) and has 2 1/2" inner diameter.
