Cobra Rigid Vent 3. Exhaust Vent for Roof Ridge allows heat and moisture to escape at the ridge. It provides 18 sq. in. per linear foot of net free ventilating area. Features UV Resistant External baffles help deflect wind and rain Extra-flexible hinge... more
For 3 and 4 in. installations round. Includes damper screen and collars. Color - Black. Dimension - 11.5 x 5.38 x10.25 in. Item Weight - 2 lbs.Specifications Part Number: 354R Color: Black Size: 4 in. Material: Plastic - SKU: ORGL14399 more
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