Port Sizes: 1/2" Air x 1" Water
Port Type: Straight - 180 Degree
Adjustable Orifice
Projection From Tub Wall: 3-3/16"
Hole Saw Size: 1-1/16" (42mm)

The Adjustable Orifice Option is For Use Only With 3/4" Jet Bodies and a Tub Wall Thickness of 3/8" or Less