Ventilation T-pieces and X-pieces are available in several types and forms, depending on the size, diameter and standard or custom dimensioning. T-pieces and X-pieces are straight pieces of ductwork, provided with 90-degree branches, equal to or smaller than the main duct size. The pieces feature a neat finish with seam welds that require no additional sealing to maintain air tightness class D according to EN 12237 for an added value.
