Smoke detector dust cover is designed to fit snugly over most standard smoke detectors, providing a secure and tight seal that keeps out dust and other particles. With sturdy plastic construction, the dust over allows you to use for a extended time.Features-Color:Red-Material:Plastic-Size:10.50X10.50X4.00cm/4.13X4.13X1.57in- Smoke detector dust cover, prevent false alarms during cooking and baking, and effectively protect smoke detectors.- Smoke detector dust cover is widely used, suitable for fire protection industrial protection equipment.- Plastic smoke detector dust cover is easy to clean and maintain, reduces maintenance and replacement costs.- Smoke alarm cover help extend the lifespan of your smoke detectors and reduce the need for costly replacements.- Smoke alarm cover is a versatile and practical accessory that can be used in a variety of settings, homes, apartments, offices and factories.Packing list1 x smoke detector dust cover