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4" key tensioner-style stainless steel band for 4-inch dust collection hoses and 4" inch dryer vent hoses.
Half-inch wide #304 stainless-steel band fits hoses from 2" diameter up to 4 " dust collection hoses and clothes dryer vent hoses.
Key-style screw mechanism allows for one hand tightening of clothes dryer vent hoses in confined spaces for a leak-proof seal.
The oversized 100% steel tightening key is superior to color plastic keys that can break under stress and the heat typical of clothes dryer vent applications.
Pack of 6.

Description

4" key tensioner-style stainless steel band for 4-inch dust collection hoses and 4" inch dust vent hoses. Oversize key-style turn closure for installation without tools ensures a good repair with a tight fit. " inch wide stainless-steel band fits hose diameters from 2 inches to 4 inches. Pack of 6. Clamps should be doubled up on both ends of the hose. One with the key/screw on the left, and one on the right. This ensures uniform tension and a tight connection in applications where heat and vibration are present. A pack of 6 clamps is 50% better than a pack of 4 clamps. These are the best dust collector and clothes dryer hose clamps available anyplace.