World's Best Hose Coupler

Connect almost any two hoses in the shop with these unique couplers! The Standard coupler works the same on both ends. Connect standard 2-1/2" dust collection hose on the outside or standard 2-1/2" shop vacuum hose on the inside on either end, and in any combination. The Universal coupler takes things a step further by adding a fitting that fits the tool end of 1-7/8" hose and 36mm Festool hose. All internal fittings are tapered for a more secure fit from a wider range of brands. These have been tested with various hoses, both new and old, from several popular brands. But there may be certain situations where hoses still don't fit perfect. Can be mounted to walls, cabinets, workbenches or anywhere you may want vacuum hookup. They can also be temporarily held in place using f-style clamps. Overall unit dimensions: 3" deep, 3" long, 4" tall. Mounting screws not included. IMPORTANT! Larger ends are approximately 2-7/16" (2.44) outside diameter and not tapered. They are approximately 2-1/4" (2.25) inside diameter and tapered. They are sized to fit most standard 2-1/2" shop vacuum hose. The smaller internal fitting on the Universal coupler is approximately 1-3/4" (1.75) inside diameter and is tapered. It is sized to fit the tool end of most 1-7/8" shop vacuum hose and Festool 36mm antistatic hose. 3D printed using PETG filament.