Ductwork / Duct Kits Kitchen Ventilation Ductwork Single Wall Grease Ductwork Double Wall Grease Ductwork Duct Kits Exhaust Fans Make Up Air Parts & Accessories Grease Duct Kit (Straight Run)- Single Wall Stainless Steel Pre-Engineered Round Grease Ductwork Package. Used for the removal of smoke and grease-laden vapors. No onsite welding required from $1,149.99 Select Size 8" Round Duct Kit 10" Round Duct Kit 12" Round Duct Kit 14" Round Duct Kit Add To Cart (Ships in 4-5 Days) Grease Duct Kit (Straight Run with Elbows)- Single Wall Stainless Steel Pre-Engineered Round Grease Ductwork Package. Used for the removal of smoke and grease-laden vapors. No onsite welding required from $1,299.99 Select Size 8" Round Duct Kit 10" Round Duct Kit 12" Round Duct Kit 14" Round Duct Kit Add To Cart (Ships in 4-5 Days) Grease Duct Kit (Manifold Run)- Single Wall Stainless Steel Pre-Engineered Round Grease Ductwork Package. Used for the removal of smoke and grease-laden vapors. No onsite welding required from $2,899.99 Select Size 8" Round Duct Kit 10" Round Duct Kit 12" Round Duct Kit 14" Round Duct Kit Add To Cart (Ships in 4-5 Days) Grease Duct Kit (Vertical/ Horizontal Run)- Single Wall Stainless Steel Pre-Engineered Round Grease Ductwork Package. Used for the removal of smoke and grease-laden vapors. No onsite welding from $1,999.99 Select Size 8" Round Duct Kit 10" Round Duct Kit 12" Round Duct Kit 14" Round Duct Kit Add To Cart (Ships in 4-5 Days)