Measurement
      Sketch circle and
      provide the following measurements:
      Shade width and length
      (diameter).
      Note: To determine
      outside mount allow minimum 1" overlap beyond opening 
      by adding 2" to diameter measurement.
      Special
      Ordering information
      1. Specify Circle
      Shade.
      2. Specify Exact Shade Measurements.
      Installation Note: Circular pleated shades come with perimeter
      installation hooks.