Reverse osmosis carbon filters should be changed every six to twelve months and new water filter system installation doylestown pa should be done. The lifespan of a carbon filter will vary depending on how dirty or contaminated water is. The carbon quality, humidity, and use can all impact the lifespan of a carbon filter. What Is A Carbon Block Filter? A carbon block filter is where loose carbon pieces are compressed together to create a filter. One pound of compressed activated charcoal (the same amount as in a standard ten-inch filter cartridge) will cover the area of a 160-acre farm.…