CMP Products TC-400A315, 4″ NPT, 2.62 to 3.15″, Aluminum, Cable Gland, 1pc. CRC Industries 02105, 2.5 Oz Aerosol Can, Smoke Test® Smoke Detector Tester, 1pc. We have new products in manufacturer boxes, as well as loose and shelf-worn quality products to save you even more money.