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* Estimated stock levels as of Tue, Nov 19, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.
All purpose intake ventilation prepunched nail holes. Surface mount. Corrosion resistant. 16 in x 4 in vents have 26 sq. ins. of net free area. 16 in x 8 in vents have 65 sq. ins. of net free area.