Lambro 264B Louvered Bathroom Vent Kit, 4-Inch x 5-Foot, White Vinyl duct vent Designed for use with bathroom fans Measures 4x5' Brown louvered vent kit Easy to install Long lasting quality Made in the USA Lambro represents Innovation, Quality, Service and Reliability since 1984 Brown louvered vent kit Easy to install Long lasting quality Made in the USA Lambro represents Innovation, Quality, Service and Reliability since 1984