【WITH PRESSURE GAUGE】With a pressure gauge, you can check the remaining amount of gas in the liquefied gas cylinder at any time, more convenient. 【BUILT-IN FILTER COPPER MESH】The air inlet has a built-in copper filter to effectively filter impurities in the gas and ensure more complete combustion. 【SPECIAL DESIGN】With M22 universal thread avoids air leakage, and the filter material with mesh washer avoids blocking the air outlet. 【SUITABLE AIR HOSE DIA】It can be connected to a gas pipe with a diameter of 9-12mm. When connecting with the hose, the clamp is fixed to avoid falling off and leaking. 【DURABLE MATERIAL】This gas regulator is made of one-piece zinc alloy material, which is pressure-resistant, explosion-proof and more durable.