Filters are more expensive than other methods, but they are also more reliable and often faster and more convenient. Choose a Filter 4. Purification is a combination of chemical disinfection and filtration. Unlike typical iodine tablets, iodinated resin releases little of the chemical into the water and, therefore, is safer for long-term use. A carbon cartridge, to remove tastes and chemicals, is optional for specific models.
Purification is often the most expensive method, but it is also often one of the most effective.
All specifications supplied by the manufacturer. Stop Top is a combination carbon cartridge and bottle adapter. 2 Test results show filter duration directly related to water quality. Due to the nature of the system, different components will have varying capacities. Price range of replacement components is indicated.