Introducing our premium 4 in. Ducting system, designed to revolutionize ventilation efficiency while minimizing noise and light leaks. Engineered with a Low Noise Silencer, this ducting can reduce fan and carbon filter noise by up to 50%, creating a quieter operational environment. The thick layer of Black PVC ensures complete lightproofing, ideal for applications requiring stringent light control. Compatible with standard 4 in. Dia ventilation components, the ducting seamlessly integrates with exhaust and intake fans, carbon filters, and hooded lights.Constructed with a robust 3-layer design, incorporating Aluminum Foil, PET, and a Steel Wire Helix, the ducting is highly durable and resistant to rips and pin holes. Its flexibility allows for easy installation and maneuvering, fitting perfectly onto duct fans, vent exhausts, carbon filters, and light reflectors. The 16 ft. long piece can be customized to any length using simple tools, providing versatility for various ventilation needs.Whether used in kitchens for cooking exhaust, greenhouses and grow rooms for air circulation and cooling, bathrooms for smell and moisture exhaust, dryer rooms, or grow tents, this ducting offers unparalleled performance. Its combination of noise reduction, lightproofing, durability, flexibility, and versatility makes it an essential component for maintaining optimal air quality and comfort in a wide range of settings.