1145mm (W) x 1045mm (H) Aluminium Flush Casement - 1 Left Opening Window - 70mm Cill - Chrome Handles - Toughened Safety Glass - Anthracite Internal & ExternalThis is one of our most popular selling items. We are a UK Manufacturer on all our Windows and Doors.Please note price quoted is for UK Delivery.We have our own delivery team offering National UK Delivery. Aluminum is the most durable, long-standing and resistant material of those used in enclosures. Aluminum has the strength and a durability of the things that last a whole lifetime. Key Features Quality Aluminimum Window FrameEnergyPlus 65mm front to back, 6 symmetrical chambersToughened Safety GlazingEnergy EfficientSmooth and Easy Operation Chunky 65 x 75mm exterior frame sectionChunky 72 x 64mm casement section Friction hinges for ultimate performance and adjustmentSteel reinforcement gives additional structural strength"Part Q" compliant5 Year Guarantee against manufacturing defects5 Year Guarantee on Gas Filled Sealed UnitsIt has an excellent energy efficiency: window transmittance from 1,0 (W/m2K)*Six chambered system is more energy efficient than the 3 chambered designs from many of our competitorsNoise protection: up to 45 dB acoustic reductionSingle leg glazing bead is highly secure and easy to install on siteSmooth and easy operationUK Manufactured Free UK Delivery*Frame Specification Cill: 85mm Stub Cill - AnthraciteDrainage: Concealed / BaseAdditional Frame Details 4000 Night Ventilator AnthraciteGlazingToughened Safety Glazing - A Rate Tuf Clr (4mm T SoftC/20mm WE + Ar /4mm T Clear) - Argon Gas Filled