The Crystal uPVC Left and Right Top Opener Hung Clear Triple Glazed Window is the most popular style in the UK. They are characterised by outward opening vents which are combined with fixed panels (lights). They are available in a huge range of styles and colours. The profiles are slim, but strong and insulating.

Brand Name	Crystal
Colour	Grey & white
Material	uPVC
Manufacturer Model No	63GRYWHTG17701190
Type	Side & top opener
Country of Origin	UK
Dimensions	1770 x 1190 mm
Height	1190 mm
Width	1770 mm
Weight	62 kg
Window Type	Side & top hung
Glazing Type	Triple glazed
Glass Type	Clear glass
Finish	Grained external
Handing	Left & right hand side hung top opener over a fixed light centre
Heat Loss U Value	1 W/m2K
Years Guaranteed	10