Hayward ProSeries S310T2
#1 in SandFull review
A low-priced top-mount sand filter for an in-ground pool of up to about 47,040 gallons. It suits owners who want easy backwashing over the finest filtering.
Amazon $1,219$1,219
The Hayward ProSeries S310T2 is the better pool filter overall, rated 3.9 to 3.6. The Hayward ProSeries S310T2 leads on filter area. The Pentair Sand Dollar SD80 wins on value. The Pentair Sand Dollar SD80 costs $530 less ($689 vs $1,219).
Pentair Sand Dollar SD80
#4 in SandFull review
An affordable top-mount sand filter for a pool of up to about 36,000 gallons. It suits buyers who want a simple multiport filter from a major maker.
Amazon $689$689
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 Hayward ProSeries S310T2 for filter area (4.9 sq ft of filter area vs 3.5 sq ft of filter area).
- Choose the Pentair Sand Dollar SD80 for value ($9.19 per gpm ($689, 75 gpm) vs $12.44 per gpm ($1,219, 98 gpm)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every sand pool filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hayward ProSeries S310T2 | Pentair Sand Dollar SD80 |
|---|---|---|
| Overall rating | 3.9/5 | 3.6/5 |
| Value 35% | 39 $12.44 per gpm ($1,219, 98 gpm) | 65 $9.19 per gpm ($689, 75 gpm) |
| Filter area 30% | 97 4.9 sq ft of filter area | 57 3.5 sq ft of filter area |
| Valve 10% | 100 multiport valve | 100 multiport valve |
| Pressure rating 10% | 100 50 psi maximum working pressure | 50 pressure rating not published (neutral score used) |
| Warranty 15% | 33 1-year warranty | 33 1-year warranty |
Specifications
| Hayward ProSeries S310T2 | Pentair Sand Dollar SD80 | |
|---|---|---|
| Filtering | ||
| Filter type | Sand | Sand |
| Filter area | 4.9 sq ft | 3.5 sq ft |
| Maximum flow | 98 gpm | 75 gpm |
| Largest pool | 47,040 gal | 36,000 gal |
| Pool type | In-ground | In-ground |
| Sand | 500 lb | 350 lb |
| Build | ||
| Tank diameter | - | 26 in |
| Valve | Multiport | Multiport |
| Maximum pressure | 50 psi | - |
| Ports | 2 in | - |
| Air relief | - | Yes |
| Warranty | 1 year | 1 year |