The new Cobra Hip Vent provides 9 square inches of net-free ventilating area per linear foot, and it’s low 5/8-inch profile is perfect for hard-to-vent hips. The vent’s Dual Weather Fighter filter helps prevent rain and snow from entering through and under the vent. No caulking is needed and three coils of 1 3/4-inch nails are included. About $90 for a box of 10.

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