Magicfly Magnetic Vent Covers, 4 Pack, 12" x 5.5" Ultra Thick Magnet for Vents in Homes, Air Grills, Registers, RVs, HVAC Units, (Not for Ceiling Or Aluminum Vents)

Key features

• 【Useful Must】Have: (4 pack) Magicfly Magnetic Vent Cover is practical for blocking the air from passing through metal vents on wall or floor and reducing noise.
• 【Economical & Healthy】It helps to save money on your electricity bill by not heating or cooling unused spaces. It prevents strong airflow that blows directly on you.
• 【Premium Materials】High quality magnet sheet and PVC surface, safe and non-toxic, won’t do harm to you and your families. Strong magnet ensures long-time uses and it can withstand up to 160 degrees Fahrenheit.
• 【Easy to Install】Just remove the wrapping paper and stick it to wherever you want. Each pack (Size: 12" x 5.5") can be cut for a custom fit. Please measure the size of your needs before trimming.
• 【Multifunctional】It can be applied on any metal air vents, suitable for HVAC at home, in the office, on RVs and boats. Note: not for ceiling vent applications.