Small Soffit Vent measures 11-5/8" in diameter. They are made of cast aluminum, and sold unfinished. These can be used for venting the attic from your soffit, or look great as a decorative piece on a wooden gate.
Medium Soffit Vent measures 13-1/16" in diameter. They are made of cast aluminum, and sold unfinished. These can be used for venting the attic from your soffit, or look great as a decorative piece on a wooden gate, or even covers for can lighting on your front porch.
Large Soffit Vent measures 17-1/16" in diameter. They are made of cast aluminum, and sold unfinished. These can be used for venting the attic from your soffit, or look great as a decorative piece on a wooden gate.