Extended length for hard-to-reach areas. The expanding foam gun helps you reach tight spaces that need sealing or insulation, such as narrow gaps, floor joists, and spaces under or behind cabinets. Sealing design with Need'n Cleaner. This foam gun features an extra seal valve for more reliable sealing and easier control. Lightweight and durable. High-strength aluminum housing with a metal trigger for smooth operation and sturdy performance. Saves time and effort. The extended length reduces the need for ladders at tall locations and prevents bending and awkward angles at low spots, making application easier and faster. Use scenarios - Seal and insulate narrow gaps around pipes, ducts, and electrical penetrations in walls, ceilings, or crawl spaces. - Re seal behind tall cabinets and along floor joists to improve drafts and energy efficiency. - Apply foam in hard-to-reach areas such as under sinks, behind appliances, or between cabinets and walls without awkward positions.