text: # Multimedia filters have a higher capital cost compared to single-media filters like sand filters.
  # They have a larger footprint and require more space than single-media filters. 
  # They may not be effective at removing some types of contaminants, such as dissolved organic compounds and bacteria.
  # They may require pre-treatment to remove large particles or debris that could clog the filter media. 
  # They can create waste material (backwash water) that needs to be treated or disposed of properly.