Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Quick View Fans / Ventilation / DuctingIdeal Air Duct Reducer 10to8 in $13.49 Ideal-Air Duct Reducer – 10in to 8in Quick View Quick View Fans / Ventilation / DuctingIdeal-Air Duct Reducer 8 in – 6 $10.95 Ideal-Air Duct Reducer - 8in to 6in