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 $1,499
A simple multiport sand filter for an above-ground pool of up to about 21,120 gallons. Buy it for cheap media and one-lever backwashing, not for the clearest water.
- 44 gpmFlow
- 2.2 sq ftFilter area
- 21,120 galPool size
- Above-groundPool type
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Big enough for the largest above-ground pools and small in-ground pools
- Seven-position valve handles every function from one lever
- Corrosion-proof molded tank stands up to years outdoors
- One-year parts-only warranty on the online (W3) version; dealer-sold versions get longer cover
- Sand passes coarser dirt than cartridge or D.E. filters, so water is less polished
- Backwashing dumps pool water to waste each time
The Hayward ProSeries top-mount sand family
Every Hayward ProSeries top-mount sand model we rank, smallest first. Ratings compare each against its own type.
| Model | Flow | Rating | Price |
|---|---|---|---|
| Hayward ProSeries S166T | 30 gpm | 2.7/5 | $429 |
| Hayward ProSeries S180T | 35 gpm | 2.8/5 | $499 |
| Hayward ProSeries S210T (this one) | 44 gpm | 3.0/5 | $569 |
| Hayward ProSeries S244T | 62 gpm | 3.5/5 | $689 |
| Hayward ProSeries S270T2 | 74 gpm | 3.6/5 | $819 |
| Hayward ProSeries S310T2 | 98 gpm | 3.9/5 | $1,219 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | W3S210T |
|---|---|
| Filtering | |
| Filter type | Sand |
| Filter area | 2.2 sq ft |
| Maximum flow | 44 gpm |
| Largest pool | 21,120 gal |
| Pool type | Above-ground |
| Sand | 200 lb |
| Build | |
| Valve | Multiport |
| Maximum pressure | 50 psi |
| Ports | 1.5 in |
| Warranty | 1 year |
Alternatives in this type
An affordable top-mount sand filter for a pool of up to about 28,800 gallons. It suits buyers who want a simple multiport filter from a major maker.
Amazon $599A simple multiport sand filter for an above-ground pool of up to about 16,800 gallons. Buy it for cheap media and one-lever backwashing, not for the clearest water.
Amazon $499Compare
Compare the Hayward ProSeries S210T with any other pool filter →
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