generic dust control flex cuff with adjustable hose clamps, rubber connector rubber cuff coupler for woodworking dust collection fittings (4, 2-1/2 inch) 2-1/2 inch 4 is up for auction in Industrial & Scientific. The current bid is $1.50, 93% below the $22.99 MSRP, in As Is condition. Bid on this item at our Dayton - Edwin C. Moses Blvd. location before the auction closes.