Allied Window, Inc.
Allied Window, Inc.
11111 Canal Road
Cincinnati, OH 45241
Phone: 800.445.5411
Fax: 513.559.1863
Residential Email: rsales@alliedwindow.com
Commercial: csales@alliedwindow.com
Website: www.alliedwindow.com
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The Operable Historic One Lite (HOL-OP) series has the same "invisible" appearance as the (HOL) units, but the bottom sash is operable and removable. It also has a year-round screen.