A grid D.E. filter for an in-ground pool of up to about 57,600 gallons, for owners who want the clearest water and will handle D.E.
Amazon $1,458.99The Pentair FNS Plus 60 is the better pool filter overall, rated 3.9 to 3.7. The Pentair FNS Plus 60 leads on filter area. The Hayward Perflex EC75A costs $219.99 less ($1,239 vs $1,458.99).
An extended-cycle D.E. filter for an in-ground pool, for owners who want D.E. clarity and long runs between cleanings.
Amazon $1,239Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Pentair FNS Plus 60 for filter area (60 sq ft of filter area vs 40 sq ft of filter area).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every D.E. pool filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pentair FNS Plus 60 | Hayward Perflex EC75A |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 35% | 75 $12.16 per gpm ($1,458.99, 120 gpm) | 73 $12.39 per gpm ($1,239, 100 gpm) |
| Filter area 30% | 77 60 sq ft of filter area | 38 40 sq ft of filter area |
| Valve 10% | 50 valve type not published (neutral score used) | 100 no backwash valve needed |
| Pressure rating 10% | 100 50 psi maximum working pressure | 100 50 psi maximum working pressure |
| Warranty 15% | 33 1-year warranty | 33 1-year warranty |
Specifications
| Pentair FNS Plus 60 | Hayward Perflex EC75A | |
|---|---|---|
| Filtering | ||
| Filter type | D.E. | D.E. |
| Filter area | 60 sq ft | 40 sq ft |
| Maximum flow | 120 gpm | 100 gpm |
| Largest pool | 57,600 gal | - |
| Pool type | In-ground | In-ground |
| Build | ||
| Tank diameter | 21.5 in | - |
| Valve | - | None needed |
| Maximum pressure | 50 psi | 50 psi |
| Ports | - | 1.5 in |
| Air relief | Yes | Yes |
| Warranty | 1 year | 1 year |
