You simply cannot find a better line of layflat ducting. Choose from three designs, each engineered for uncompromised quality and performance. Economy PCA layflat ducting features sewn construction collapsible blower tubing for demanding positive pressure applications. UltraLyte™ PCA layflat ducting provides the dual benefits of lightweight convenience and heavy-duty performance to withstand highly rigorous ramp requirements. Premium heat-sealed (welded) PCA layflat ducting features unique spiral construction for reduced fatigue and unbeatable service life.