View on LOZ Suggested Retail: $488.37. Nutone PurePower 550 Air Watts Central Vacuum System Power Unit (PurePower 5501). he PurePower PP5501 power unit combines powerful suction and self-cleaning filtration. It features a sleek design that can fit into small spaces such as a closet or utility room and is suitable for cleaning areas between 1,000 and 4,000 sq. ft.; The PP5501 operates quietly and is virtually silent when vacuuming if it is installed in a basement or garage. Delivers 550 air watts of power to ensure deeper cleaning than conventional upright vacuums; UL listed for your confidence Large 6 U.S. Gal. disposable bag (only needs to be emptied every 6 months on average) ; uses NuTone model 391 vacuum bags Large ergonomic latches on the debris pail make emptying your central vacuum easier - debris pail handles flip open to remove the disposable bag for a quick and easy debris disposal Thru-flow motor combined with sound-absorbing high-performance material and assembly techniques make these vacuums among the quietest in the industry ensuring quiet operation that won't disturb the household while you vacuum.. 7 CALENDAR DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.