LIGHTWEIGHT AND FLEXIBLE: The flat and long exhaust port can be pressed from both sides of a 25mm window or door crevice, making it long lasting and lightweight. The ingenious and freely bendable hose helps to expel harmful gases from doors or window, making the air in your studio cleaner FIRM CONNECTION: The flat hose adapter is designed for easy installation. It is recommended to use cable ties or hose clamps to secure the hose. Four locking tabs ensure a firm connection to the window, allowing you to use with peace of mind EASY TO INSTALL: Push the flexible hose exhaust sleeve onto the base and tighten the hose clamp to secure in place. After a simple installation, the total length before extension is 27.5in, the hose length after extension is 67in RECIRCULATING AIRFLOW: This airbrush spray booth exhaust extension hose kit is designed to optimize airflow, allowing you to enjoy clean air in your living space instead of just recirculating stale air, thereby enhancing the overall environmental comfort LONG LASTING STRUCTURE: This hobby airbrush spray booth exhaust extension hose kit is made of quality plastic and can withstand various weather factors to ensure long lasting durability, Manufacturer: Jelquix