Liquid tight flexible conduit protects your air conditioning system wiring from liquids and dust. Choose from 6'L conduit and 4'L conduit with either #10 THHN wire or #8 THHN wire. Conduit with #10 wire is ½" dia., and conduit with #8 wire is ¾" dia. Get everything you need for HVAC installations, including A/C conduit kits such as liquid tight flexible conduit, from Grainger.