Innovative Twist-Lock: magnetic dryer vent is perfect for quickly connecting and disconnecting dryer vent hoses. The design of the rubber ring ensures a tighter seal between the hose and plate. Easy Installation: Simply screw the dryer vent connector to the wall, insert the hose into the adapter, twist to unlock. Suitable for 4-inch hoses, Larger coverage area to eliminate drafts and protect against foreign objects. Wide Application: It is widely used for grow rooms, bathrooms, kitchens, workshops, basements, attics, ceiling or greenhouse air circulation, and etc. Rotate to remove for cleaning. Safe and Reliable: High-quality dryer hose vent kit are made of plastic, which is heat and rust resistant to durability and reliabilit. Colour:White Material:Plastic Some accessories are random in style,can not be chosen the specific Package Contents: 1x Dryer Vent Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.