Hayward Perflex EC75A
#4 in D.E.Full review
An extended-cycle D.E. filter for an in-ground pool, for owners who want D.E. clarity and long runs between cleanings.
Amazon $1,239$1,239
The Hayward Perflex EC75A rates 3.7 among D.E. pool filters; the Jandy CS100 rates 3.2 among cartridge ones. The Jandy CS100 costs $343.05 less ($895.95 vs $1,239).
Jandy CS100
#9 in CartridgeFull review
A compact single-cartridge filter for a small in-ground pool, mainly for owners already on Jandy equipment.
Amazon $895.95$895.95
Prices 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.
Scores side by side
These two sit in different type classes (D.E. and cartridge), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Hayward Perflex EC75A | Jandy CS100 |
|---|---|---|
| Overall rating | 3.7/5 | 3.2/5 |
| Value 35% | 73 $12.39 per gpm ($1,239, 100 gpm) | 58 $8.96 per gpm ($895.95, 100 gpm) |
| Filter area 30% | 38 40 sq ft of filter area | 0 100 sq ft of filter area |
| Valve 10% | 100 no backwash valve needed | 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 | 50 warranty not published (neutral score used) |
Specifications
| Hayward Perflex EC75A | Jandy CS100 | |
|---|---|---|
| Filtering | ||
| Filter type | D.E. | Cartridge |
| Filter area | 40 sq ft | 100 sq ft |
| Maximum flow | 100 gpm | 100 gpm |
| Largest pool | - | 48,000 gal |
| Pool type | In-ground | In-ground |
| Build | ||
| Valve | None needed | None needed |
| Maximum pressure | 50 psi | 50 psi |
| Ports | 1.5 in | 2 in |
| Air relief | Yes | - |
| Warranty | 1 year | - |