14" Universal Roof Vent White Vent Truly universal / fits all existing R.O.'s. This vent covers all existing screw holes in roof. One piece seamless frame, deep drawn metal base. Covers all interior stains left by former garnish rings. Positive seal weather stripping is leak resistant and water tight. Interchangeable with existing Ventline products. Self centering metal base w/radius corners. Interior garnish w/wider 1 1/4" flange and radius corners.