You are buying 1 ft long piece Clear Acrylic Pipe

Inner Diameter - 3.26" ( 82.9 mm)

Outer Diameter 3 1/2" ( 88.9 mm)

Wall thickness - 3 mm.

Fits standard 3" PVC fittings

Crystal Clear absolutely transparent , seamless, new pipe, comes with protective film  to avoid scratches.

It is not pressure or temperature rated.

Orders of 2-3 ft will be shipped in one solid peace.

Cuts easy with disc saw.