[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 coated with PTFE, which is resistant to high temperatures 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 don't need to add detergent next time. Very convenient. [Precise control] With the spring-loaded trigger and control button, you can precisely control the flow rate and adjust the spray distance, avoiding waste of foam. Copper tips ensure smooth flow and even spray. [Function] The foam gun is suitable for professionals and DIYers for foam insulation foam tanks commercial. Ideal for filling, sealing gaps. When installing, the box is below, 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 bathroom ware fixing, 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.