【Upgrade Patent Design】 Indoor dryer vent use the new generation of patented reminder device can realize that when the filter catches a lot of lint and hair, the reminder device of the dryer vent box can react to remind you until you clean the filter and reset it, and when the reminder device is turned on, there will be no lint entering the room through the reminder device of the dryer lint trap.【Higher Efficiency 】New dryer vent, filters with high quality nylon material, and 4 interchangeable polyester filter cottons can efficiently capture the lint, hair, dust and more generated by drying clothes, indoor dryer vent kit for electric dryer providing you with a cleaner indoor environment.【Beautiful Layout】 The design of the air inlet facing down facilitates the layout of the ventilation pipe, making indoor dryer vent kit look more tidy, and the front filter is fixed with a knob for longer service life and more firm, equipped with 4 sets of screws, which can be fixed according to the indoor dryer vent in the position you need.【Quality material 】When the reminder is unpack of the indoor dryer vent kit, you need to clean the filter and polyester filter cotton, and you can also clean the dryer vent after 8-10 uses. The newly upgraded nylon material design filter can be washed directly with water, there will be no rust trouble. Polyester fiber filter cotton can be cleaned with a brush, adsorbed lint, etc., can also be cleaned with a vacuum cleaner.【Energy-Saving and Efficient】 The air discharged through the indoor dryer vent has a certain humidity and temperature, which can increase the indoor temperature in winter and save resources. If the indoor humidity is too high, it is recommended to open the window to reduce the indoor humidity.