The Beam 225A Power Unit from Electrolux is the perfect Central Vacuum product for a home up to 3,500 sq. ft. in size with its 4-gallon capacity dirt collection bucket. Despite the coverage and receptacle size, this Beam Model 225A is the smallest in size of the three models within this series. Like all Beam models, this 225A is constructed of an all-steel cylinder construction and includes a new high-efficiency motor that delivers powerful performance at a cost-effective price. With the Beam 225A, consumers can cut through the amount of allergens in the air within their homes.