Profile: Kelvent supplies, manufactures and distributes ventilation products. We stock products such as spiral ducting, pressed & fabricated bends, grilles, louvers, flexible ducting, dampers, access doors, filters, fans and slotted channels. Our spiral products include spiral pipe, bends, reducers, tees, shoes, flat shoes, branches, dampers and couplers. Our ducting services include duct start, tapers, radius bends, off sets, square to rounds and flanges. All our duct flanges will be made using duct mate flange and corners.