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Expandable EF Series Frames New Icon

frame detail Daybar's unique Expandable EF Series Frames are designed to accommodate the broadest range of wall construction with a single adjustable product. Users of this product claim the EF Series design is the best of its kind on the market today. By selecting EF1, EF2 or EF3, EF Series frames can be used in wall thicknesses ranging from 3 1/2" to 12". These easy to install frames are manufactured of 16 gage A40 galvanneal steel and can be fire rated for up to 90 minutes.
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Model Min Throat Size Max Throat Size
EF1 3-1/2" 5- 1/4"
EF2 5-3/8" 8- 11/16"
EF3 8-11/16" 12"
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