But, regardless of the size, the ingenious of the design really lies on the innovation that literally frees you from being restricted and tied to your electric wall socket. The small size and lightweight designs of portable cordless vacuum cleaners enable you to clean practically anywhere. The cordless technology has allowed you inconceivable mobility when it comes to your vacuuming. Vacuum cleaners work through suction although in essence, it does not really sucks. A fan or a pump reduces the pressure, then creating a vacuum environment on the inside. This causes the outside air to rush into the empty space created inside. There are two types, the vertical type or the upright type, which is lightweight and the canister type or the cylinder type. James Dyson invented a model that did not need this, which manufacturers in Europe were not in favor of so this person promoted it elsewhere until a Japanese firm liked the idea and the company took off. Most vacuum cleaners clog after catching a lot of dust. Dyson doesn t because the roller inside the machine converts it into clean air. Another company that can deliver excellent products and service is the company known as Electrolux that has offices around the world. The firm holds a 25% market share in the home appliances industry satisfying customers during cooking, while working on the laundry and cleaning around the home. Nobody can forget Hoover, which many claim to be synonymous with vacuum cleaner similar to how Xerox is well associated with copying machines. Though not many people know the old name, people are more familiar with Electrolux that is believed to capture 25% of the world s household appliance market. In some countries, Electrolux agents are sent house to house to conduct a free demonstration in the hopes that the customer will buy the product. If there aren t any left at home, getting the model number of the vacuum cleaner and asking the sales clerk for help is the next best option. If the individual knows that this has to be replaced every 3 months, perhaps it is best to buy it in sets or in a pack so the customer does not have to make frequent trips to the store should this run out again.