Check the listing for details. Hot Tub Spa Waterfall Control Valve 6 Spoke Graphite with (2) 3/4" Smooth Barbs. Condition: New. Listed at 27.99 USD. You are buying a Black Waterfall Valve that is a Universal Valve with a shell hole size of 2 3/16" and a sleeve size of 1 3/4". This kit includes The Valve with a Black cap, a Straight glue in barb and a 90 Degree Glue in Barb. This valve has been used to control waterfalls, fountains and neck jets in a lot of hot tubs even though the cap may look different look at the dimensions and compare and this should work. This valve has a fitting sleeve that fits through the shell of the tub with a nut on the back then the body of the valve pushes through the sleeve and you put the cap and the knob back on to hold it in place. The shipping is free in the lower 48 .We have plenty of these. Buy with caution I Do Not Accept returns! I do accept Paypal only. The Lower 48 states is Free. This part is a Waterfall Control Valve 6 Spoke Graphite with (2) 3/4" Smooth Barbs with a shell hole size of 2" and a sleeve size of 1 13/16". ..This part is designed to connect 3/4" Clear Hose..This valve has a fitting sleeve that fits through the shell of the tub with a nut on the back then the body of the valve pushes through the sleeve and you put the cap and the knob back on to hold it in place. Drain Valve CompleteOn/Off Valve AssemblyHole Size2-1/16"Hole Size Fitting TypeSlip (s)Plumbing Connection Size3/4" BarbPlumbing Connection TypeSlip (s)ColorGraphite