We have new products in manufacturer boxes, as well as loose and shelf-worn quality products to save you even more money. Wiremold 862, 3.5″ D, 3-Knockout, 1-Gang, PVC, Round, Floor Box, 1 pc. Wiremold 862KIT, 0.75″ W, 3/4″ Hub, PVC, Floor Box Kit, 1 pc.