TonGass (1-Set) 4-Inch Blast Gates for Dust Collection Systems and Vacuum Fittings - with Easy to Use and Efficient Sliding Gates - Works with Flexible Hose Cuff Couplers
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
EXACT REPLACEMENT 4" TO 2 1/2" CONE REDUCER - This universal-fit vacuum hose adapter connects hoses that have 4" inner diameters (ID) to hoses with 2 1/2" IDs. The cone reducer's actual dimensions are 3 61/64" OD and 3 41/64" ID with the other end having an OD 2 15/32" and an ID of 2 9/32"
FITS 4-INCH DUST COLLECTION HOSES - The flex cuff's inner diameter is 4 inches, an outer diameter of 4 9/16 inches, and a length of 2 1/2 inches
FOR 4-INCH HOSES, OUTLETS, AND PORTS - Circular center has a nominal 4 inches outer diameter with actual dimensions of 3 3/4 inches ID, 3 61/64 inches OD. Accepts hoses and ports with 4 inches ID
HEAVY-DUTY HOSE CLAMPING TOOL MADE FROM PREMIUM-GRADE STAINLESS STEEL - These hose clamps are suitable for both indoor and outdoor use
As they are made from premium-grade stainless steel, they have high resistance to corrosion and deformation. They can tighten perfectly around flexible hoses, pipes, and tubes for a leak-proof dust collection fitting connection