Natural gas conversion kit compatible with Blackstone 28" Griddles, 36" Griddles, Tailgater, Rangetop Combo, and single Burner Rec Stove. Note: The Blackstone Natural Gas Conversion Kit is not optimized for the Blackstone AirFryer Griddle Combo, and is not compatible with the Culinary series. This kit is designed to be used with natural gas at 7 inches of water column. Verify your natural gas pressure with your local gas company and with your regulator manufacturer before installing this product.