Standard In-Stock Sizes
In-stock windows are available in both Classic and Flat styles, with White or All-Black blind and screen options.
Name	Dimension H x W	Cut Hole	Exterior Outer Edges
300 x 500	11 3/4 x 19 5/8”	11 7/8 x 19 3/4”	13 x 20 7/8”	→ Flat	→ Classic
300 x 700	11 3/4 x 27 1/2”	11 7/8 x 27 5/8”	13 x 28 3/4”	→ Flat	→ Classic
300 x 1100	11 3/4 x 43 1/4”	11 7/8 x 43 3/8”	13 x 44 1/2”	→ Flat	→ Classic
450 x 500	17 3/4 x 19 5/8”	17 7/8 x 19 3/4”	18 7/8 x 20 7/8”	→ Flat	→ Classic
450 x 610 •	17 3/4 x 24”	17 7/8 x 24 1/8”	18 7/8 x 25 1/4”	→ Flat	→ Classic
450 x 900 •	17 3/4 x 35 3/8”	17 7/8 x 35 1/2”	18 7/8 x 36 5/8”	→ Flat	→ Classic
450 x 1100 •	17 3/4 x 43 1/4”	17 7/8 x 43 3/8”	18 7/8 x 44 1/2”	→ Flat	→ Classic
500 x 300 •	19 5/8 x 11 3/4”	19 3/4 x 11 7/8”	20 7/8 x 13”	→ Flat	→ Classic
550 x 700 •	21 5/8 x 27 1/2”	21 3/4 x 27 5/8”	22 7/8 x 28 3/4”	→ Flat	→ Classic
550 x 900 •	21 5/8 x 35 3/8”	21 3/4 x 35 1/2”	22 7/8 x 36 5/8”	→ Flat	→ Classic
550 x 1100 •	21 5/8 x 43 1/4”	21 3/4 x 43 3/8”	22 7/8 x 44 1/2”	→ Flat	→ Classic
550 x 1450 •	21 5/8 x 57 1/8”	21 3/4 x 57 1/4”	22 7/8 x 58 1/4”	→ Flat	→ Classic
• Emergency Exit Per RVIA guidelines, windows with clear openings exceeding 17 x 24” meet emergency exit requirements. Arctic Tern windows sized 450 × 610 mm (and larger), when equipped with Cam-Lock Struts, provide compliant egress openings.