What is smallest width door device can go on?

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The 2670 Guard X device can't be cut down to fit doors less than 3 feet.  This device is designed to fit doors 36"-48" door width.
When templated for 140° the 4010 will fit on a 16-1/2" door leaf MINIMUM.
Maximum nominal (overall) single door sizes are as follows: L-Series (Laminated Door) 20 Gage = 3’ 0” wide X  8’ 0” high 18 Gage = 4’ 0” wide X 10’ 0” high 16 Gage = 4’ 0” wide X 10...
Minimum door opening for a 98/99 rim device with a 4954 mullion and 299 strike is  26.687" (26 11/16")
The Minimum single door opening should be 26.32" and use the 299 or 499F strike.