Sponsored: Improve the performance and efficiency of your dust collection system with Magnum Industrial polyurethane dust collector hoses. Available in 2-1/2″, 4″ and 6″ diameters and lengths up to 50′, these hoses are optimized for moving dust, chips and debris. Why polyurethane? Compared to standard PVC hoses, these polyurethane hoses deliver better airflow and flexibility. Each hose is made of UV-resistant ester-based polyurethane supported by a copper spiral, which you can ground to prevent static buildup. Tough and transparent, Magnum Industrial polyurethane dust collector hoses resist puncture and won’t kink. Installing these hoses is an easy way to upgrade your dust collection system. KMSTools.com