The standard 900 series in design construction and performance is simply something which must be experienced to be believed the full structofoam construction alone sets it apart from all the others but couple this to the unique multipurpose tipper system for emptying and you have a truly simple machine which can be used anywhere by anybody and emptied quickly and easily be it in floor drain or wc the power and performance to the full twinflorsquo specification is exceptional the 38mm