Please demystify for me what I have ordered. This is from a Mil-Guard order:

3245 WOODCLAD DOUBLE HUNG DOUBLE HUNG

Width: 24" Height: 54" ( R ) ROUGH

Frame: SAND PULTRUSION; CLAD

Glass: U2/C2 - 1/8 SUNCOAT/1/8 CLR ANN

Grids: SCULPT GRID;SND

Screen: YES

Energy: U-Factor= .37 STC= 27

Option/Comment: BAR SET 27 1/4" /

CRAFTSMAN GRID /

BREATHER TUBE /

1 3/8" FIN /

4 9/16" WALL / WHITE

Any enlightenment greatly appreciated.

Thank you.