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A 4-inch radius mitered 45 degree elbow dryer exhaust duct fitting shall reduce the maximum 35-foot length of a dryer duct by _____________________ feet, _____________________inches.

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1. A 4-inch radius mitered 45 degree elbow dryer exhaust duct fitting shall reduce the maximum 35-foot length of a dryer duct by _____________________ feet, _____________________inches.





 
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