Plumbing Kit for Helix Slide tube-thickness_.145" a blind flange is solid

a blind flange is solid and has no opening

and SP1075

The 6 Foot Frontier III diving board in marine blue with white anti-slip treads is designed for moderate to heavy-duty use on residential pools

It is designed to fit onto vertical pool ladders with a 20 inch step width

Plumbing Kit for Helix Slide tube-thickness_.145" a blind flange is solidThis is an S. R. Smith Helix Plumbing Kit for the Helix water slide. This Helix Plumbing Kit Includes: 1 1 2" PVC Pipe Strap (14), 1" Pipe Clamp (15), 1" Ball Valve (16), 1" Coupling (17), Garden Hose Adapter (18), 1" Female Tee Fitting (19), 1"x 1 2" Reducer (20), 3 8" to 1 2" Barbed 90 degree fitting (21), 3 8" Acorn Nut (25).