BWT Besthead FlexWith BWT Besthead Flex, the filter head with the most flexible connection available in the market, and a very easy filter installation, even in very confined spaces. Universal fit For all standard filter plugs from BWT water+more. Installment Extremely easy, even in very confined spaces. Filter system Specially design for gastronomy and bakeries. Space efficient Filter head with the most flexible connection in the world. All materials used are food