[High-quality material] The foam gun adopts high-quality aluminum alloy + stainless steel body, which is durable, corrosion-resistant and will not leak. The product is covered with PTFE, which is resistant to high temperature and prevents foam residue from sticking. The product is ergonomically designed, comfortable to use. [No cleaning] Our construction foam gun has a switch function. After use, close the valve and do not need to clean it with detergent. After turning it off, you can remove the glue in the barrel of the foam gun and you do not need to add detergent next time. Very convenient. [Precise control] With the spring trigger and control button, you can precisely control the flow rate and adjust the spray distance, avoiding wasting foam. Copper tips ensure smooth flow and uniform spray. [Function] The foam gun is suitable for professionals and DIY enthusiasts for commercial foam insulation foam tanks. Ideal for filling, sealing gaps. When installing, the box is underneath and the gun is installed upside down. After use, the valve must be closed to prevent leakage. [Widely Used] Suitable for balcony doors and windows, bathtubs and air conditioners, etc. Perfect for fixing bathroom items, tile caulking, shelf fixing, kitchen sink fixing, etc. If there is any quality problem, please contact us, we offer replacement or refund for this foam gun.