These jamb liners are for the Semco easy tilt clad double hung only (you must have the easy tilt latch system for these to work, please view illustrations above showing the easy tilt latch system that will be on this style window) manufactured March 1996 to present. Clad exterior means you have a metal exterior on out side of window that requires no painting. Jamb liners are sold in sets only and include (1) left & (1) right liner which come complete with block & tackle balance already installed. Sizes are based off visible glass width & height of unit. (Always width first). Special order No returns. PLEASE NOTE THAT THESE JAMB-LINERS ARE OBSOLETE AND WHILE WE CAN STILL OBTAIN THESE LINERS TO REPAIR YOUR WINDOWS, TAKE 8-10 WEEKS TO GET , NO EXCEPTIONS.
NOTE: top and bottom pads no longer available for these liners