Hayward ProGrid DE Pool Filter. $1,129 at Amazon. $1,129 at Walmart $1,220 at Lowe's. Pros. Filters out extremely small debris; Efficient operation ; Cons. DE filter is overkill for many pool owners; ...

ProGrid DE Pool Filter. It’s not cheap, but if you want to ensure that your in-ground pool is as clean and clear as it can possibly be, this diatomaceous earth filter from Hayward is a great choice.