Bristan 4 Litre Minute Flow Limiter for Bristan Taps 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. Features: All flow limiters accurate by +/-10% Flow rates shown in litres per minute All relevant products, unless otherwise stated will work on a minimum pressure of 0.2bar For TMV2 approved products fitted on a combi boiler system, it is recommended that flow regulators are fitted inside both shower inlet connections Tech Specs: Product Width: 15mm Product Depth: 15mm Product Height: 5mm Product Weight: 30g Material: Plastic Minimum Operating Pressure: 0.2 Maximum Operating Pressure: 5 Maximum Hot Water Supply Temperature: 65 Inlet Connection: 15mm