1Suitable for any caulking project, used for filling, sealing and insulating small gaps.2Great for balcony doors, window, bathtubs, cabinets, etc.3Do not squeeze walls and pipes, waterproof, moisture-proof, and prevent pests from entering the room.4The gun body is very easy cleaning, after each use, it only needs to be cleaned once to extend its service life.5The foam gun is made of perfluorocarbon to keep the foam cleaning and durable. 6Water inlet valve, delicate threads make it easy to install and remove, and it is not easy to leak foam. 7Ergonomic handle made of ABS plastic, very sturdy and comfortable to use for a long time. 8The foam spray gun sprays foam quickly and precisely. 9Spring triggers and control knobs allow you to precisely control flow, avoid foam waste, and adjust spray distance.