The Crystal uPVC Top Hung Opener Obscure Double Glazed Fixed Light 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	6GRYWHO610820
Wear Type	N/A
Type	Window
Certifications Met	N/A
Country of Origin	UK
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Dimensions	610 x 820 mm
Height	820 mm
Width	610 mm
Weight	14 kg
Window Type	Top hung
Glazing Type	Double glazed
Glass Type	Obscure glass
Finish	Grained external
Handing	Top hung opener over fixed light
Heat Loss U Value	1.3 W/m2K
Years Guaranteed	10