Find all the supplies you need for your trench, wall duct, underfloor duct and electrical busway projects in our extensive inventory of duct fittings. Westway offers high-quality, reliable duct products from the industries most highly-regarded brands. We carry indoor and outdoor solutions, and our bus duct systems include elbows, and an enormous selection of tap boxes and bus plugs with breakers. You’ll also find a large selection of trolley duct fittings including transfer, rolling, button, and curve trollies. We carry heavy duty trolleys, and cleaning trolleys as well as box tool hangers, bar connectors, and covers.