The Duramax Insulated Flat Roof Building is an energy-efficient modular insulated building

9x20 have two vents

It is recommended to replace every 3 months for optimal performance

Universal Base Box Size: 24" x 18" x 4"

93 m = 233

Palram - Canopia | Patio Cover Blinds 10x20 ft - White Hardtop Grill Gazebo The Duramax Insulated Flat RoofThe Palram Canopia Roof Blinds are designed to maintain a comfortable atmosphere during times of direct sun exposure, easing the sun's heat while adding a look of elegance to your patio cover. Each blind can be independently opened and closed for customizing your shade needs. Blinds are easily added to any existing 10 patio cover and come with a pull rod for easy opening and closing. This curtain shade set is made of linen like fabric that is machine