🚀 Elevate Your Ventilation Game! Flame-retardant aluminum ensures safety and longevity. Easily extendable for various ventilation needs. Includes stainless steel clamps for hassle-free setup. Built-in wire helix for added strength and durability. Perfect for kitchens, bathrooms, and grow rooms. 4" diameter Fireproof coating 0-185°F range The iPower GLDUCT4X8C is a 4-inch by 8-foot non-insulated flex air ducting hose designed for HVAC ventilation. Made from high-quality aluminum with a fireproof coating, it offers a temperature endurance range of 0-185°F. Ideal for various applications, it comes with stainless steel clamps for easy installation and features a corrosion-resistant wire helix for enhanced durability.