HW100 Florida Product Approved Single Hung window- the bottom panel, or sash, moves vertically. The series 100 single hung window is an upgrade from the series 50 and features ultralift balances. Listing Back To Top Design Visualizer Previous Next Downloads Product Info About Education Media Specs Specs Add to Project+ Favorite User Feedback Company Resources Back to top Photos Blog Brochures Commercial Brochure Residential Brochure Scout Brochure Sentinel Brochure Sparta Brochure Support Documents FAQ Impact Protection Warranty