GYIOFAI 100 Pcs Smoke Detector Cover, Alarm Dust Fire Covers, Cap, Reusable Covers for Commercial Building Or Home Use (Red)

SUFFICIENT QUANTITY: You will receive 100 pieces of smoke detector alarm covers with bright color, which is more than enough to meet your daily use and replacement needs. RELIABLE MATERIAL: The smoke alarm cover is made of thickened plastic with elastic band at the bottom, you can simply fix it on the alarms in your home. UNIVERSAL SIZE: Our fire alarm dust cover measures about 3.94-6inch/10-15cm, elastically contracted, and fits most household alarms. EASY TO USE: There is a rubber band on the fire cover, which is elastic and flexible, non-slip and stable; you just need to gently pull open the dust cover, put the dust cover over the siren, and adjust it to cover the siren. WIDE APPLICATIONS: Suitable for renovation sites with sirens such as commercial buildings, homes, schools, libraries, warehouses and underground garages.