Fuliko Draft Stopper Cover to Draft from Vent, Air and Loss, Screen for Indoor Chimney, 2 Pack (40 4 inch)

: This draft blocker can minimize loss in winter and hot and humid air in , also some debris and dust from entering your through the . EFFICIENT: Air circulation will continue to generate through the vent of your chimney when the is not in use, use this draft vent cover to keep the temperature in the house stable and consistent. : Made of flexible rubber material, the design enables the draft stopper to attach to the air vent easily and securely, but it ONLY functions for standard vents; verify your vent before purchasing MORE SIZE CHOICES: 4 sizes available to the vents of most households, two sets included per package, which can cover the vent effectively and loss TO USE: Just stick this vent cover onto the vent, and it will be firmly fixed. It can be easily cut to size for your vent. to remove and store due to its flexibility.