Pentair Quad D.E. 100
#1 in D.E.Full review
A cartridge-style D.E. filter for a large in-ground pool, for owners who want D.E. clarity without wasting water on backwashes.
Amazon $1,999.99$1,999.99
The Pentair Quad D.E. 100 rates 4.3 among D.E. pool filters; the Pentair Clean & Clear Plus 420 rates 4.0 among cartridge ones. The Pentair Clean & Clear Plus 420 costs $704.99 less ($1,295 vs $1,999.99).
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
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 | Pentair Quad D.E. 100 | Pentair Clean & Clear Plus 420 |
|---|---|---|
| Overall rating | 4.3/5 | 4.0/5 |
| Value 35% | 67 $13.33 per gpm ($1,999.99, 150 gpm) | 61 $8.63 per gpm ($1,295, 150 gpm) |
| Filter area 30% | 100 100 sq ft of filter area | 80 420 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 Quad D.E. 100 | Pentair Clean & Clear Plus 420 | |
|---|---|---|
| Filtering | ||
| Filter type | D.E. | Cartridge |
| Filter area | 100 sq ft | 420 sq ft |
| Maximum flow | 150 gpm | 150 gpm |
| Largest pool | 76,800 gal | - |
| Pool type | In-ground | In-ground |
| Build | ||
| Tank diameter | 21.5 in | - |
| 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 |