Firecat Catalytic Combustor ACI-19N | Appalachian 25 cell Un-canned Combustor with Notch Shape: Square/Rectangular Dimensions: 2.5" x 6.875" x 3" Shipping Weight: 0.90 lbs. USE THIS PRODUCT FOR THE FOLLOWING STOVES: Appalachian - 32-BW (After 1989) | 36-BW (After 1988) 360 CR/Cherokee | 52-WXL FREE GROUND SHIPPING in the Contentental US. Cannot ship to PO Boxes. USUALLY SHIPS IN 5-7 BUSINESS DAYS