The CRUSHPROOF ADF40 Aluminum Door Port is designed to allow safe and clean routing of 4″ exhaust hoses through garage doors or wall panels. Built from durable aluminum, this port provides a secure passthrough point for exhaust ventilation systems, helping maintain shop safety and organization. Ideal for commercial and residential garages requiring a professional-grade exhaust solution.

Key Features:

• Aluminum door port designed for 4″ exhaust hose passthrough
• Durable, corrosion-resistant aluminum construction for long-lasting use
• Helps safely vent exhaust through garage doors or panels
• Clean, professional solution for exhaust extraction system installations