Andersen 400 Series Tilt Wash Double Hung 722 Balancer Product Type_Screw Packs Works with these Narroline Gliding

Works with these Narroline Gliding Patio Doors: NLGD5068

This aluminum frame screen is held in place by 2 wing blades in the screen that protrude out into the window stop

Overall grille dimension is 12 3/4" wide by 31 5/16" high

Andersen 3862 Narroline Double Hung Lower Sash Terratone Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 400 Series Tilt Wash Double Hung 722 Balancer Product Type_Screw Packs Works with these Narroline GlidingAndersen 722 Sash Balancer Block and Tackle with Shoe Works with 400 Series Tilt Wash Double Hung windows manufactured from 1992 to Present. This is a block and tackle balancer with a shoe. There are separate sash balancers for the upper and lower sash. Andersen made changes to the balanace design in November 2016. When replacing balances on windows before 2016 you'll need to order two. Note: This balancer may work on either Tilt Wash (DC) units