Brand Name: Danco
*Exterior Diameter: 1/2 in.
*Interior Diameter: 5/16 in.
*Material: Rubber
*Product Type: O-Ring
*Number in Package: 1 pk
*Wall Thickness: 3/32 in.
*Shape: Round
*Brand Compatibility: Fits American Standard, Gerber
*Packaging Type: Polybag