Brett Omega Flow comes with a classic rectangular block profile and purpose designed nibs to enhance permeability.This contemporary, clean style will complement most environments and has been designed for use in either hand or machine lay applications.KEY INFORMATION• Manufactured and tested to BS EN 1338: 2003• Install in accordance with BS 7533• Surface permeability 4265 mm/h when tested to BS DD 29: 1996• 4 standard colours available; others made to order• Omega Flow Marker Blocks available for demarcation• 2 thicknesses to suit various trafficking requirements• Complementary kerb range available• Machine lay options available