The BWT BestHead Flex is a filter head for BWT water+more cartridges. The Flex Insert connection rotates in 30° steps for tool-free positioning in tight undersink spaces, so hoses can be routed cleanly regardless of where your supply lines sit. An automatic water stop allows cartridge changes without shutting off the water supply and an Easy Vent valve simplifies purging once the new cartridge is in. Two backflow prevention valves protect the drinking water supply. Food-grade materials, rated to 8 bar. BWT BestHead Flex Filter Head Features Flex Insert Interface – Click connections into place at any angle in 30° steps, no tools required - practical when space is tight or supply lines aren't ideally positioned. Automatic Water Stop – Lets you change cartridges without turning off the water supply or dealing with leaks. Easy Vent Valve – Makes purging the system quick and simple after a cartridge change. Dual Backflow Prevention – Two DVGW-certified valves protect your drinking water supply from contamination. Universal Cartridge Compatibility – Fits all BWT water+more filter cartridges. This Product Includes 1 x BWT BestHead Flex Filter Head 2 x 90° Elbow Fittings (FLEX Insert, 3/8" external thread, GFP) Specifications Materials Food-grade GFP Inlet Pressure 2–8 bar Water Temperature 4–30°C Ambient Temperature 4–40°C Dimensions (H) 105mm x (W) 130mm