 With much British manufacturing production still managed through standards defined by the MoW in the form of the newly launched British Standard, the first new Hygena kitchen range of the 1950s was the BU, available in cream or cream and green.But the mid-1950s F range was the companies first fully prefabricated kitchen, combining wall units with sliding doors, built-in sinks and larders with clear plastic storage bins.But the key to the F range was the accessibility of its style at a cheap price, with the most popular of the huge colour range choice being red tops, blue doors and white draws.