There are two types of water coolers, fixed supply and bottled ones. Each type of water cooler has it merits and demerits like fixed supply water coolers are not portable and can not be used at a place where direct water supply is not available. While bottled water cooler are highly portable and can be used at any place but there is need to change the water bottle very often.
Use of filtered water in offices and home ensures better health of employees and improves over all work performance. Different geographical locations may have different types of impurities dissolve in it therefore choose a water cooler suitable for your local water.