4" Aluminum Flexible 2meter long Ducting Exhaust Air Vent foil blower fan Pipe

Flexible foil Air hose Aluminum air vent Exhaust Pipe. Ducting size is 4 inches (diameter) x 6.5 feet (length) or 2meters when fully extended. Temperature endurance range from 0 ~ 185°F. (-18? ~ 85?)
It can be used in, greenhouses, bathrooms (smell and moisture exhaust), especially this 4" size is designed for ceiling ventilating blower fans.
built-in steel wire for reinforcement. Flexible length for exhaust fan blower/inline fan. it shrinks automatically when the fan is off.
Fireproof coating: this flexible ventilation pipe made from high-quality flame-retardant aluminum and a built-in corrosion-resistant wire helix for reinforcement.
this air vent pipe coast less than the normal 4" PVC pipes. It looks better and it is durable. its color is chrome therefore due to the light factor color of the pipe may different in the image. We weigh the products on a weight scale however there may be a slight difference in weight as mentioned.