The Crystal uPVC Top Opener Obscure Double 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	White
Material	uPVC
Manufacturer Model No	3WHO610610
Wear Type	N/A
Type	Top Opener Obscure Double Glazed Window
Certifications Met	N/A
Country of Origin	UK
Protects From	N/A
Waterproof	N/A
Dimensions	610 x 610 mm
Height	610 mm
Width	610 mm
Weight	11 kg
Window Type	Top hung
Glazing Type	Double glazed
Glass Type	Obscure glass
Finish	Smooth
Handing	Top opener
Heat Loss U Value	1.3 W/m2K
Years Guaranteed	10