Replacement manifold tube set for Heatilator and Heat & Glo wood stove inserts. Includes all 3 manifold tubes and manifold clip set (832-0661). Fits the following HHT stove models: Heat & Glo Wood Fireplaces: Northstar Fireplace Heatilator Wood Fireplaces: Constitution Fireplace (C40) HHT part # TUBES-480 OEM HHT part