Brass Plain Rim Ventilators - 3/4"
9/16" Diameter of Hole When Set
One-piece construction for added strength.
Packed 144 Per Box.
Used as breathers for mattresses, cushions and plastic slip covers.
Ventilators are solid brass and brass colored.
They can be set by using the Osborne W-1 Machine
Osborne # V-1 3/4 UPC # 14412