Easy to clean and maintain - The foam gun includes a purge valve. After use, twist the valve and squeeze out the remaining foam, so you do not need a separate cleaner. Precise control and smooth flow - Spring trigger and control button let you accurately control the foam flow and adjust the spray distance, reducing foam waste. - Copper tips help ensure a smooth, consistent flow. High expansion and strong adhesion - Designed for high expansion and strong adhesion, it is ideal for insulating and sealing small spaces around windows and doors in your home. PTFE coating and easy operation - The body is covered with PTFE to help keep the gun clean and easy to maintain. - The precise thread design makes the foam gun easy to use and install. Key attributes - Function: foam application with purge valve for easy cleaning; adjustable flow and spray distance. - Material: PTFE coating; copper tips. - Performance: high expansion, strong adhesion, smooth flow, minimal waste. - Size: compact design suitable for household sealing and insulation tasks. - Compatibility: designed for simple, straightforward operation with a precise thread design for ease of use. Use scenarios - Sealing gaps around window frames to prevent drafts and improve energy efficiency. - Insulating and sealing door frames and sills where small gaps exist. - Filling small gaps in walls, baseboards, pipes, or attic corners during DIY insulation projects.