Cen-Tecs 94434 is engineered to provide a complete electro-static dissipative dust collection hose solution connecting all major brands of power tools to vacuums designed to insure a grounded shock free working environment. The 94434 provided 3 different and unique quick-change power tool connectors. These connectors are designed to provide 360° swivel connections at the tool to reduce tension coming from the hose that might inhibit free movement of the power tool over the working surface. The 2 bayonet tool adaptors have a built-in air relief which permits adjustment of the vacuum to prevent sealing to the work surface and insure sufficient air flow to the vacuum to protect motor life. The 16 ft. conical hose has a smooth interior to improve vacuum performance. Tapering from 1-1/4 in. D at the tool end to maximize flexibility the hose uniformly tapers up as it extends to the vacuum to a 1-1/2 in. inner diameter. The conical shape increase airflow and is complimented by Cen-Tecs proprietary hose end designed to maximize the inner diameter into the vacuum preventing clogs. The 94434 adaptors are designed for compatibility with all major brands of power tools including Bosch, Festool, Milwaukee, Hitachi, Fein, Cobalt, Porter Cable, Black and Decker, Dewalt, RYOBI and many private label brands of tools and dust collection shrouds. The 94434 is compatible with major tool brand vacuums and is also compatible with major brands of home shop vacuums.