This medium-sized windbreak prevents poor combustion caused by wind and improves cooking efficiency.*Compatible with the Regulator Stove (ST-310) and Regulator Stove Range (ST-340). Features This prevents poor combustion caused by wind and increases cooking efficiency. *These are the results of a test comparing the time it takes to boil water with and without a windscreen, under wind speed conditions of 2.0 m/s. Please note that due to the shape of the product, it is not possible to attach the windscreen for the Regulator Stove while the assist grip is attached . Specs Product size Width 165 x Depth 15 x Height 95 mm weight 23g x 2 sheets Material stainless Country of origin Japan operating instructions st-3101_manual.pdf This product is designed exclusively for the Regulator Stove ST-310 and Regulator Stove Range ST-340. Do not use with any other appliances.