Flange Cover Material Vinyl For Tube Outside Diameter 2 1/2 in For Flange Outside Diameter 3 3/16 in For Flange Thickness 1/16 in Minimum Operating Temperature -26 Degrees F Maximum Operating Temperature 350 Degrees F Color Yellow Bottom Opening Diameter 2 1/2 in Thickness 0.055 in For Use On Flanged and Beaded Tubes Package Quantity 80