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How to Measure?
Use the technique below.
• Use a metal measuring tape to take all measurements.
• Take all your measurements at 1/8 of an inch.
• Measure twice to avoid errors.

INSIDE MOUNT
WIDTH: Measure from left to right in 3 positions (top, middle, bottom). Take the smallest measurement.
HEIGHT: Measure from top to bottom in 3 positions (left, center, right). Take the largest measurement.
Do not make any deductions when you are measuring. The manufacturer will be sure to make them for a perfect fit.
OUTSIDE MOUNT
WIDTH: Give the measurements of the space you want to cover from left to right.
HEIGHT: Give the measurements of the space you want to cover from top to bottom.
The width and height measurement should always include the cassette, valence, headrail or roller.
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