Firecat Catalytic Combustor ACI-60G | Lennox | Security Chimneys | Earth Stove 25 Cell Un-canned Combustor Assembly (with Gasket Wrap) Shape: Square/Rectangular Dimensions: 2.625" x 15" x 3" Shipping Weight: 3.10 lbs. USE THIS PRODUCT FOR THE FOLLOWING STOVES: Lennox - Villa Vista | Security Chimneys- BIS Panorama | Earth Stove- Villa Vista FREE GROUND SHIPPING in the Contentental US. Cannot ship to PO Boxes. USUALLY SHIPS IN 5-7 BUSINESS DAYS