Hoffman CWH4045LG, CONCEPT¢ Hinged Window Kit, Fits 400x450mm, RALHoffman CWH4045LG CONCEPT¢ Hinged Window Kit, Fits 400x450mm. Product Specifications BRANDHoffman® COLOR FINISHRAL MANUFACTURERS PART NUMBERCWH4045LG CONSTRUCTIONAluminum WINDOW SIZE M X N (INCHES)13.50 x 14.40 WINDOW SIZE M X N MM343 x 366 WINDOW SIZE M X N (MM)343 x 366 WINDOW SIZE M X N INCHES13.50 x 14.40 FITS400x450mm DESCRIPTIONFixed & Hinged Window Kits COLORPaint A X B X C MM400 x 450 x 35 A X B X C INCHES15.75 x 17.72 x 1.38