Have questions about this product? Our experts are here to help! Email Find Your Nearest Location 500DBH12 M&M Duct Board 12 Steel Start Collar With Holes SKU: MM500DBH12 M & M MANUFACTURING INC 500DBH12 Selling UnitEA Sale: Price? Available for Pickup Only Out of Stock MY STORE: (CHANGE) Quantity - Decrease Quantity + Increase Quantity You have exceed the amount available for purchase. If you purchase more than what is in our current inventory, the web shipping department will review your order and e-mail you with more information. Print Share Have questions about this product? Our experts are here to help! Email Find Your Nearest Location