Features:<br>Activated carbon foam material, dustproof and with a long service life.<br>Large size, low resistance, temperature resistance but not fire resistance. Keep your computer clean and dust-free.<br>Suitable for use on computers. Extend the life of the fan. Can be cleaned and used multiple times.<br>Applications: various standard sheet metal cabinets, enclosures, industrial control cabinets, electrical control cabinets, electrical control cabinets, distribution boxes, distribution cabinets, power supplies, full coverage cabinets, etc.<br>Dustproof sponge only, other accessory demos in the picture are not included!<br>Specifications:<br>Material: Activated carbon foam<br>Size: approx. 500x500x3mm/19.7x19.7x0.12inch 500x600x3mm/19.7x23.6x0.12inch 400x500x5mm/ 15.75x19.7x0.2inch<br>500x500x5mm/19.7x19.7x0.2inch 500x600x5mm/19.7x23.6x0.2inch<br>Quantity: 1 piece<br>Note:<br>Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.<br>Please allow 0-1cm error due to manual measurement<br>Package includes:<br>1 pc dust cover