RV Designer Plastic Floor Register With Damper 10in x 2-3/8" Tan. This floor register features rounded corners with wide flanges to cover excess area from the old registers. Available in a white or tan finish. Constructed with durable thermoplastic material to prevent rust and color fading. The cutout dimensions are 10" by 2-3/8" and the outer dimensions are 12" by 3-1/2". Each package includes one plastic floor register and one damper. Features of RV Designer Plastic Floor Register With Damper 10in x 2-3/8" Features rounded corners with wide flanges to cover excess area from the old registers Vent Color: White Constructed with durable thermoplastic material to prevent rust and color fading Outside Dimensions: 12" x 3-1/2" Cutout: 10" x 2-3/8" Package Contents: RV Designer Plastic Floor Register With Damper 10in x 2-3/8" RV Designer H860: Plastic Floor Register With Damper 10in x 2-3/8" Tan