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 fittingsCrystal Clear absolutely transparent , seamless, new pipe, comes with protective film to avoid scratches.It is not pressure or temperature rated.Cuts easy with disc saw.Multiple orders up to 3ft long will be shipped in one piece.