Looking for a central vacuum system that provides you with excellent cleaning capabilities as well as allergy relief? The Beam Serenity SC375A QS Power Unit can provide you with both of those things, plus all of the features of the basic Beam Line of central vacuum systems with several upgrades. This central vacuum system is recommended for homes that are up to 7,000 sq. ft. in size and comes with a 10-year warranty instead of the usual 7 year that is included with most Beam central vacuum systems. With a 4-gallon dirt receptacle that is infused with AlphaSan, an anti-microbial agent that prevents bacterial growth and an exclusive patented Quiet Pack sound insulation system, this Beam model is designed to be hypo-allergenic and user friendly.