This ABS louvered balcony air outlet filter is designed to enhance ventilation in your home. Its square shape and sleek design make it a good fit for modern interiors. The filter effectively manages airflow, ensuring a fresh and clean environment. Ideal for use in bathrooms, kitchens, and other areas requiring efficient air circulation. Features -Color:White -Material:ABS -Size:18.00X18.00X4.50cm/7.07X7.07X1.77in -High efficiency filter: made from abs material, this filter effectively traps dust and debris from the balcony air outlet, ensuring clean air circulation -Multifunctional design: can be used as a square inlet, exhaust outlet, and air diffuser for fans, catering to various needs -Prevention: the sealed design effectively prevents fly from entering the indoor space -Easy to clean: the detachable design allows for easy cleaning and maintenance, ensuring longterm clean -Durable and reliable: constructed from durable materials, this product is durable and reliable, offering a Package list: 5 pcs x 1set Exhaust Fan Cover (4 screws, 4 bolts )