YES 45 FS - 1 3/4" x 4 1/2" Storefront System
System Options: Screw Spline
Vertical Mullion Detail
VERTICAL MULLION DETAIL



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VERTICAL MULLION W/ STEEL REINFORCEMENT DETAIL



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VERTICAL MULLION W/ FLUSH FILLER DETAIL



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Consult YKK AP's Installation Instructions prior to ordering and installation of this product. Additional details and information may be obtained by calling YKK AP at 1-800-955-9551.