STR-NRD-BK-10PKIT – Stratus Reducer Fits 14″ Neck Converts Neck Size to 12″, 10″, 8″, or 6″ Neck/Duct Size: Converts 14″, Neck to 6″, 8″, 10″, or 12″ Face or Overall Size: 14″ x 7.5″ Mount: n/a Material: Plastic Carton Quantity: 1 Carton Weight: 14 lbs.