1" Brass Vent Grommets manufactured by C.S. Osborne & Co. in the US are used in mattresses, upholstery cushions, marine cushions and any other application where airflow is required.
Content: Brass.
Vent Diameter: 1".
Please Note: The Vent Grommet Hand Setting Die is needed to set the Vent Grommet.
Sold each (includes vent grommet and washer).