DE "leaf" filter style or Cartridge....?

A pool man came out and recommended I replace my aged Pentair FNS PLUS 60 DE filter  with a “cartridge” style filter.  What are the consequences, both cost wise and maintenance wise, of doing so. I have a 20x40 pool with Aquarite Salt Generation system. I have never had a “Cartridge” filter. Know nothing about them/

TIA,

DIYpm

Good afternoon. Please click here to view a guide called “Which Pool Filter Is Best?” that we put together that better clarifies those filter details.

Very helpful doc.

Thank you!

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