White foam 7.5" diameter insulation disks used for sealing ducts and grilles. They are 1" thick and have a 1" diameter plug in the middle that can be used for extracting the disk from the opening. Quantity of 25.
Features
White foam 7.5" diameter insulation disks used for sealing ducts and grilles. They are 1" thick and have a 1" diameter plug in the middle that can be used for extracting the disk from the opening. Quantity of 25.