Toyo Aluminum Dust Removal Filter for Ventilation Fans, Toilets, Bathrooms, and Ventilation Openings - Easy to Apply - Approx. 20cm x 20cm - 3 pieces

Simply stick it on! Prevents dust and dirt buildup on ventilation fans!

Product size: Approx. 20cm x 20cm Material: Antibacterial and antifungal non-woven fabric Quantity: 3 pieces Recommended replacement interval: 2-3 months. Country of origin: Japan