6 to 4 Black Metal Reducer Increaser for 4/6 Inch Ducting air conditioner exhaust hose indicating that you need to

indicating that you need to clean dryer vent box

【Application】Exhaust louver vent for intake or extraction use

The warm air released by the dryer can return indoors

high-quality aluminum foil

especially in places where people work and live

6 to 4 Black Metal Reducer Increaser for 4/6 Inch Ducting air conditioner exhaust hose indicating that you need toDuct Increaser: 6 to 4 inch metal duct reducer designed for connecting ventilation ducts of different diameters or attaching a hose to an inline fan or exhaust vent. Compatible with both flexible ducting and rigid sheet metal ducts, helping improve airflow while saving space. Size: Features a 150mm female spigot that fits standard 6 inch ducting, and a 100mm male spigot that connects securely to 4 inch ducting. Ensures a tight and accurate fit for