Bristan 3.5l/min Flow Limiting M20 Aerator All Bristan products are quality tested and carry robust guarantees against manufacturing defects. Quality testing, performed by Bristan’s own quality engineers throughout the production process, and market testing before launch ensures that all products meet the very best quality standards. Tech Specs: Product Width: 15mm Product Depth: 15mm Product Height: 5mm Product Weight: 10g Colour: Chrome Material: Brass Finish: Chrome Plated Minimum Operating Pressure: 0.2 Maximum Operating Pressure: 5 Maximum Hot Water Supply Temperature: 65 Outlet Connection: N