Firecat Catalytic Combustor ACI-3 | Atlanta Stove Works | Scandia 25 cell Un-canned Combustor Shape: Round Dimensions: 5.66" x 3" Shipping Weight: 2.10 lbs. USE THIS PRODUCT FOR THE FOLLOWING STOVES: Atlanta Stove Works - All Models | Scandia - Model 310/310C FREE GROUND SHIPPING in the Contentental US. Cannot ship to PO Boxes. USUALLY SHIPS IN 5-7 BUSINESS DAYS