1. Easy to clean and reusable This foam insulation gun is coated with polytetrafluoroethylene (PTFE) both inside and outside, making it easy to clean. The non-stick properties of the Teflon coating reduce foam residue, allowing you to use less foaming cleaner. The valve design provides real cleaning freedom: it seals the cylinder and lets you completely drain residual sealant for thorough cleanup. 2. Professional foam gun - precise control A precision brass rotary valve allows accurate dosing of glue and precise control of the flow rate. The thoughtfully designed nozzles help reduce foam waste and prevent drips. This makes it ideal for sealing cavities and seams, even in hard-to-reach places. 3. Advanced and ergonomic design Constructed from high-quality metal alloy for durability. The ergonomically shaped handle and optimal nozzle length ensure comfortable use. The handle is made of ergonomic ABS plastic to maintain comfort during prolonged work sessions. 4. High compatibility This foam gun fits most foam sealing glasses with screws, but is not suitable for glasses with tubes or straws. Common use scenarios - Sealing cavities and seams in walls, ceilings, windows, and door frames, including tight or awkward spaces. - Insulating around pipes, conduits, and electrical boxes where space is limited and precision is important. - Applying foam in hard-to-reach corners or behind cabinets, soffits, or baseboards to achieve clean, controlled coverage.