Vacuum cleaners have advanced quite a bit technologically. Will clean our floors, may now clean the air at once. The water upright vacuum cleaner was invented for this exact factor. The water itself acts mainly because filter and is designed to get mold, dust and dust mites, pollen and other allergens, and really should other undesirable elements by way of the air. How well do they work? Service: This is one thing that hasn't changed. Top manufacturers generally prided on their own after sale...