Check the listing for details. iPower Flexible 3/4/6/8 inch Aluminum Ducting Dryer Vent Hose for HVAC Exhaust. Condition: New. Listed at 9.99 USD. iPower Flexible Aluminum Ducting Perfect for HVAC ventilation, grow tents air circulation, green houses and grow rooms air intake and exhaust or light fixture cooling, kitchen cooking air exhaust, bathroom smell and moisture exhaust, etc. Specifications: Ducting size: 3/4/6/8/10/12 inch; Ducting length: 8/25 feet; Material: PVC thermoplastic; Inner material: aluminum foil; Temperature range: -22°F~212°F(-30℃～100℃). Details Premium material High-quality aluminum foil, high temperature resistant and corrosion resistant, long lasting. PVC thick layer on this ducting can prevent light leaks. Four-layer design Four-layer design (PVC layer + aluminum foil + PET + aluminum foil) makes it more durable and resistant to leaks, tears, and cuts. Ducting clamps included The aluminum foil duct tube can bend in any direction, allows you to accommodate most space restrictions.Include a pair of 3/4/6/8/10/12inch stainless steel duct clamps. Applications Product description Features: Variety of applications: perfect for HVAC ventilation, grow tents air circulation, green houses and grow rooms air intake and exhaust or light fixture cooling, kitchen cooking air exhaust, bathroom smell and moisture exhaust, etc Specifications: ducting size: 3/4/6/8/10/12 inch; length: 8/25 feet; material: PVC thermoplastic; inner material: aluminum foil. Temperature range: -22°F~212°F(-30℃～100℃) Premium material: high-quality aluminum foil, high temperature resistant and corrosion resistant, long lasting. PVC thick layer on this ducting can prevent light leaks. Include a pair of 4 inch stainless steel duct clamps Four-layer design: four-layer design (PVC layer + aluminum foil + PET + aluminum foil) makes it more durable and resistant to leaks, tears, and cuts Flexible ducting: the aluminum foil duct tube can bend in any direction, allows you to accommodate most space restrictions. Flexible length for inline fan, quick and easy to set up Specifications: ducting size: 3/4/6/8/10/12 inch; length: 8/25 feet; material: PVC thermoplastic; inner material: aluminum foil. Temperature range: -22°F~212°F(-30℃～100℃)