USCG Hard Shell Polyethylene 20 Inch Life Ring Buoy - Orange for-use-with_Concrete/Gunite This pool depth marker states

This pool depth marker states DEEP WATER and has an overall size of 9 Inch x 6 Inch

and you are just replacing the Quick Disconnect

This is a PVC Insert Tee with Insert x Insert x Insert fitting connections that measure 2 Inch

Gray in color

This SW Series stainless steel pool basket inline strainer includes a standard flanged 8 Inch connection

USCG Hard Shell Polyethylene 20 Inch Life Ring Buoy - Orange for-use-with_Concrete/Gunite This pool depth marker statesThis ring buoy is 20 inches in diameter. It is US Coast Guard approved and has a hard shell outer surface. These Jim Buoy ring buoys are manufactured under strict codes and the supervision of the United States Coast Guard. They have solid, closed cell plastic throughout. Soft and resilient to the touch yet are almost indestructible! The Sof Tex surface resists weather and temperature extremes and will not rot or mildew.