... help eliminate the drudgery of vacuuming and give you a cleaner, healthier indoor Environment.A Central Vacuum System includes main power unit, piping ... to use,Easy operation, keep sealed for life, humane open-Have high performance Muffler, run in super silent-Drain gas out of ... Easy installation, Easy to mount when built or decorate the house-Fine filter filtration rate was 99.97%, excellent cleaning ...