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 $689The Pentair Sand Dollar SD80 is the better pool filter overall, rated 3.6 to 3.2. The Pentair Sand Dollar SD80 leads on value. The Pentair Triton II TR100 wins on filter area. The Pentair Sand Dollar SD80 costs $810 less ($689 vs $1,499).
A heavy-duty fiberglass sand filter for an in-ground pool where the equipment pad needs a side-mount valve. It costs more than a top-mount and needs a valve bought separately.
Amazon $1,499Prices 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 Sand Dollar SD80 for value ($9.19 per gpm ($689, 75 gpm) vs $20.26 per gpm ($1,499, 74 gpm)).
- Choose the Pentair Triton II TR100 for filter area (4.9 sq ft of filter area vs 3.5 sq ft of filter area).
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 | Pentair Sand Dollar SD80 | Pentair Triton II TR100 |
|---|---|---|
| Overall rating | 3.6/5 | 3.2/5 |
| Value 35% | 65 $9.19 per gpm ($689, 75 gpm) | 0 $20.26 per gpm ($1,499, 74 gpm) |
| Filter area 30% | 57 3.5 sq ft of filter area | 97 4.9 sq ft of filter area |
| Valve 10% | 100 multiport valve | 50 valve type not published (neutral score used) |
| Pressure rating 10% | 50 pressure rating not published (neutral score used) | 100 50 psi maximum working pressure |
| Warranty 15% | 33 1-year warranty | 33 1-year warranty |
Specifications
| Pentair Sand Dollar SD80 | Pentair Triton II TR100 | |
|---|---|---|
| Filtering | ||
| Filter type | Sand | Sand |
| Filter area | 3.5 sq ft | 4.9 sq ft |
| Maximum flow | 75 gpm | 74 gpm |
| Largest pool | 36,000 gal | 35,520 gal |
| Pool type | In-ground | In-ground |
| Sand | 350 lb | 600 lb |
| Build | ||
| Tank diameter | 26 in | 30 in |
| Valve | Multiport | - |
| Maximum pressure | - | 50 psi |
| Air relief | Yes | Yes |
| Warranty | 1 year | 1 year |
