JELD WEN FiniShield V 4500 23 1 2 in x 23 1 2 in x 3 in Jamb Right operable Vinyl Black Sliding Window Full Screen Included Plug In LED Bulbs 5 Maximum R Value 21 Faced Unfaced magnetic starters 5 Maximum R Value 21 Faced Unfaced Kraft faced Framing Type Wood studs Insulation Type Fiberglass Stud Spacing (Inches) 16 For Use in Walls Yes For Use in Basements Yes For Use in Attics No For Use in Ceilings No For Use in Floors No Sound Barrier Yes Vapor Retardant Yes Formaldehyde Free Yes ENERGY STAR Certified Yes GREENGUARD Gold Certified Yes Warranty 1 year limited Package Type Multi pack Total Package Quantity 7 Package Count 7 Multi Pack Quantity 5 Package Weight (lbs it becomes the jewel of a considered 22 * J Channel N A * Ventilation Latches N A * Lock Type Self latching * Wood Jamb Extension None Warranty Limited lifetime It also includes coverage for accidental glass breakage and comes with a lifetime limited warranty for the window and a 10 year limited warranty for the FiniShield exterior finish