Ventamatic Cool Attic SGV1218 MILL Aluminum Wall and Gable Louvers, Mill Color 12" x 18"; Ideal for intake ventilation in side walls and gable ends; All aluminum construction provides durability and prevents rust; Fully screened to protect against insects and rodents; UPC 047242580372 (SGV1218MILL SGV1218-MILL SGV1218W VENTAMATICSGV1218MILL VENTAMATIC-SGV1218-MILL COOLATTIC)

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