FORMUFIT P112FGP-WH-5 Schedule 40 PVC Pipe, Furniture Grade, 5', 1-1/2" Size, White Fits 1-1/2" Size PVC fittings. Pipe has an actual outside diameter of 1-7/8" (1.900") Monolithic, superior, glossy white surface finish both inside and outside the pipe Will not crack, change color or degrade over time like plumbing-grade PVC pipe. Average Inside Diameter: 1.610"