US Aluminum Box Miters

US Aluminum Box Mitres are ideal for connecting 2 gutters in 90 degree corners. They are available in 5 inch and 6 inch sizes. These mitre come in cartons of 20. The mitre is joined to the gutter using zip screws or pop rivets. The inside of the mitre should be sealed with gutter sealant to avoid leaking. 5-inch box mitres are available in 4 colors and 6-inch mitres are available in 3 colors. 30 degrees is low gloss white and 80 degrees is high gloss white.