PECO 316, 2-1/2", Die-Cast Zinc, Concrete Tight, Set Screw, EMT Coupling, 1pc. Parker Hannifin 8-PNBZ-SS, 1/2", Tube, 316 Stainless Steel, 1-Ferrule, Cap, 1pc. We have new products in manufacturer boxes, as well as loose and shelf-worn quality products to save you even more money.