11-3/16"W x 6-3/8"H x 3/4"D Horizontal Requires 5-3/8"H x 10-3/16"W cutout SeaTeak offers louvered inserts in various sizes. WARNING: California's Proposition 65
11-3/16"W x 6-3/8"H x 3/4"D Horizontal Requires 5-3/8"H x 10-3/16"W cutout SeaTeak offers louvered inserts in various sizes. WARNING: California's Proposition 65