HMmagnets Powerful Magnetic Vent Covers That Will Never Fall Off

Please use our size chart to choose the correct magnetic cover that will fit both your specific vent dimensions and color. Once installed, this cover will never move, shift or fall off of your vent. ? COMPLETELY BLOCKS COLD/HOT AIRFLOW IN SPECIFIC ROOMS/AREAS – At last, a magnetic vent cover that actually works! It completely prevents hot or cold airflow in specific rooms. No more freezing rooms with really cold air blowing at you while sleeping and no more hot rooms that feel like a sauna. In addition, it will also help with annoying noises (like loud music) or unwanted smells (like smoking or cooking) from neighbors in apartment buildings. ? ? IT IS SUPER EASY TO INSTALL & WILL BOOST THE AIRFLOW IN OTHER ROOMS – Once the magnetic vent covers are installed in unoccupied rooms (like basements), the airflow in other rooms will significantly increase. This is a simple and cost-effective solution that takes minutes. Simply follow our step-by-step included instructions and use the sturdy box to store covers that are not currently in use. The magnetic covers will work on any vent that matches the cover size ranges. Each cover is designed with a different backside pocket feature and specific locations of hidden magnets. First, check that your vent is magnetic. Second, this cover WILL ONLY work on vents with a width between the range of 9.25” to 10” and length between the range of 15.25” to 16”.