YOW 350 XT Window System 5/8 " BE9-4581 Head With Receptor (Jamb Similar) [15.9mm] 1-3/4 " E9-4578 [44.5mm] 1/4 " Min. [6.4mm] YOW 350 XT ANCHORING OPTIONS 5/8 " [15.9mm] Jamb with Exterior Set Receptor 3/8 " [9.5mm] E1-1922 E9-4035 1/4 " Min. [6.4mm] Head with Anchor Clip (Jamb/Sill Similar) E9-4556 E3-0032 Head With E3-0032 Flat Filler (Jamb & Sill Similar) Effective Date: August 20, 2018 | 05-1014-04 Head With 1 " x 1-1/4 " Trim & Clip (Jamb & Sill Similar) E9-4557 Page-19