Andersen Passive Right Hand Panel White Exterior with Pine Interior High-Performance Low-E4 Sun Tempered Glass Size 3180 Unit Number_244GW4050 These wood grilles are secured

These wood grilles are secured in place with grille clips the link is found below

Andersen TW3446 (Lower Sash) White Exterior and White 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 TW3856C (Lower 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

Andersen 3842 Narroline Double Hung Upper Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen Passive Right Hand Panel White Exterior with Pine Interior High-Performance Low-E4 Sun Tempered Glass Size 3180 Unit Number_244GW4050 These wood grilles are secured