subject: An Affordable Option: Water Filter Replacement Cartridge [print this page] An Affordable Option: Water Filter Replacement Cartridge
Water filter replacement cartridges can cost anywhere from five to twenty dollars according to the type of replacement filter. This seems expensive, however, the buyer must also keep in mind that filters that have to be replaced the most often are found in pitchers and other portable devices, and these only have to be replaced approximately every three months. Considering that bottled water costs on average about five dollars for a twenty four pack and that pack can be gone in less than a week, which means the consumer is paying at least thirty dollars a month on purified water. That means in the time it takes to replace a five to twenty dollar filter for a water filtration unity, the bottled water consumer has paid almost one hundred dollars on water.
Types of Cartridges There are three basic types of water filter replacement cartridges on the market today. The most common of these cartridges are used in water pitchers and other portable water filtration devices. Water filter replacement cartridges are also becoming more popularly used in refrigerators to purify the water in the door unit and ice maker. Reverse osmosis water filter replacement cartridges are usually the more expensive ones on the market. The reason for this is that the membrane has to be carefully formed so that the holes in it are only big enough for a water molecule to get through and no other substances if possible. These membranes are delicate and must be formed and packed in a specific way. Also, reverse osmosis water filter replacement cartridges are found in more than portable systems, such as point of entry systems and under the sink systems that allow more water to pass through them, thus requiring a different and more advanced water replacement filter. Another type of water filter replacement cartridge is an absorption cartridge, which uses carbon or granularly activated charcoal. These are normally the types of cartridges that Whirlpool water filter cartridges are made of to go in the doors and ice makers of refrigerators to purify the water that comes out of them. This type of cartridge removes or reduces chlorine in the water which makes it taste better, and also removes other particle matter as well as organic matter such as pesticides. The third type is the particulate water filter replacement cartridge which acts in much the same was as the one mentioned above. It removes sand, bacteria and pathogens from the water.
