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What size foundation opening does the Bestvents 510BL Foundation Vent fit?

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DK Hardware 2026-09-30 - 18:04:23
Technical Team

The Bestvents 510BL Foundation Vent is designed to fit a standard block foundation opening with a rough opening size of 8 inches in length by 16 inches in width.

Product Details

Foundation Vent, 15-1/4 in W, Polypropylene, Black Oxide
510BLBestvents 510BL Foundation Vent, 15-1/4 in W, Polypropylene, Black Oxide
$9.42/Each

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