Pentair Clean & Clear Plus 420
#1 in CartridgeFull review
A large four-cartridge filter for a big in-ground pool, for owners who want to clean the filter a few times a season and never backwash.
Amazon $1,295$1,295
The Pentair Clean & Clear Plus 420 is the better pool filter overall, rated 4.0 to 3.3. The Pentair Clean & Clear Plus 420 leads on value and filter area. The Pentair Clean & Clear Plus 420 costs $304 less ($1,295 vs $1,599).
Hayward SwimClear C3030
#6 in CartridgeFull review
A big four-cartridge filter for an in-ground pool of up to about 58,560 gallons, for owners who want long cleaning intervals and no backwash.
Amazon $1,599$1,599
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.
Which should you buy?
- Choose the Pentair Clean & Clear Plus 420 for value ($8.63 per gpm ($1,295, 150 gpm) vs $13.11 per gpm ($1,599, 122 gpm)) and filter area (420 sq ft of filter area vs 325 sq ft of filter area).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cartridge pool filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pentair Clean & Clear Plus 420 | Hayward SwimClear C3030 |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 35% | 61 $8.63 per gpm ($1,295, 150 gpm) | 30 $13.11 per gpm ($1,599, 122 gpm) |
| Filter area 30% | 80 420 sq ft of filter area | 56 325 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 | 33 1-year warranty |
Specifications
| Pentair Clean & Clear Plus 420 | Hayward SwimClear C3030 | |
|---|---|---|
| Filtering | ||
| Filter type | Cartridge | Cartridge |
| Filter area | 420 sq ft | 325 sq ft |
| Maximum flow | 150 gpm | 122 gpm |
| Largest pool | - | 58,560 gal |
| Pool type | In-ground | In-ground |
| Build | ||
| Valve | None needed | None needed |
| Maximum pressure | 50 psi | 50 psi |
| Ports | 2 in | 2 in |
| Air relief | Yes | Yes |
| Warranty | 1 year | 1 year |