SimpliFire 40" 4-Sided Small Surround with Removable Bottom Piece btu185000 and stainless steel finishes

and stainless steel finishes

Why is the BTU according to EPA test data smaller than the one advertised

Enclosed front and glass front fireplace-look models available

Certification CSA Approved | CSA Certified Material 304 Stainless Steel Heat Output 45

SimpliFire 40" 4-Sided Small Surround with Removable Bottom Piece btu185000 and stainless steel finishesHide any gap between your gas fireplace insert and the existing fireplace opening with a low profile surround composed of steel or cast iron. What's Included 40" 4 Sided Surround Specifications Model SF SI4027 INS30 3 Sided Configuration Dimension W 40" x H 27" 4 Sided Configuration Dimension W 40" x H 30 1 2" Warranty 2 Years Warranty All parts except as covered by Warranty Conditions, Warranty Exclusions, and Warranty Limitations listed Warranty