• Fire proof coating: flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance
• Easy installation: 1 pairs of 4 inch metal clamps made from stainless steel
• Ducting feature: built-in steel wire for reinforcement and long lasting performance. Flexible length for exhaust fan blower/inline fan; when not in use, it takes up little space
• Ducting size: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃)
• Applications: kitchens (cooking exhaust), green houses and grow rooms (air circulation, intake, exhaust and light fixture cooling), bathrooms (smell and moisture exhaust), grow tents, etc

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty