Andersen TW18310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass - No Grille Grommets Unit Number_2062 Andersen TW2452 (Upper Sash) Terratone

Andersen TW2452 (Upper Sash) Terratone Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 244DH3036 200 Series Double Hung Lower Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen TW1862 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

) High performance glass is virtually clear and is generally used to replace older less efficient dual pane sash

Andersen M1060 Sash Balancer with Screws

Andersen TW18310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass - No Grille Grommets Unit Number_2062 Andersen TW2452 (Upper Sash) TerratoneAndersen TW18310 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass No Grille Grommets This Sash has no grille grommets, any interior grilles for this window will need to have the chisel style plungers. This sash has new High Performance Low E4 glass and replaces previous versions of Low E glass. Low E4 glass showed up to 25% in savings on cooling bills and 10% on heating bills over ordinary dual pane glass. Protects interior