The following are characteristics of Modernism: 1  Marked by a strong and intentional break with tradition. 2  Belief that the world is created in the act of perceiving it; that is, the world is what we say it is. 3  There is no such thing as absolute truth.  No connection with history or institutions.
Pool filter cartridges can run for about 2,000 hours for a filter pump. Usually filter cartridges have to be replaced once every 1 or 2 years. The life of the filter will be less if you enter the pool with suntan lotion, deodorants, mousse, styling gels, and other damaging chemicals.
You now know that you should replace the sediment pre-filter every three to six months and the sub-micron post-filter every nine to 12 months (if you have one). However, it is also important to recognize that the tank itself needs to be replaced depending on the capacity: Standard Whole House Water Filter.