Penn-Plax
Penn-Plax Cascade 1000 Canister Filter
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Best Aquarium Filters · head-to-head
Penn-Plax Cascade 1000 Canister Filter vs SunSun HW-304B Canister Filter with UV Sterilizer
A sourced, side-by-side comparison. SunSun HW-304B Canister Filter with UV Sterilizer is cheaper at $178.99. Every spec and price links to its source.
SunSun
SunSun HW-304B Canister Filter with UV Sterilizer
$178.99
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Penn-Plax Cascade 1000 Canister Filter | SunSun HW-304B Canister Filter with UV Sterilizer |
|---|---|---|
| US price | — | $178.99 |
| Brand | Penn-Plax | SunSun |
| Released | — | — |
| Type | canister | canister |
| Flow rate gph | 265 | 525 |
| Tank size gal | 100 | 150 |
| Media capacity (L) | — | — |
| Media stages | 3 | 5 |
| Wattage | 28.5 | 55 |
| Self priming | Yes | Yes |
| Dimensions (in) | 11.5 x 10 x 17 | 11 x 11 x 17 |
Sources — Penn-Plax Cascade 1000 Canister Filter: eorder.pennplax.com (verified 2026-08-01). SunSun HW-304B Canister Filter with UV Sterilizer: mingllc.com (verified 2026-08-01).
What's the difference between the Penn-Plax Cascade 1000 Canister Filter and SunSun HW-304B Canister Filter with UV Sterilizer?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Flow rate gph: Penn-Plax Cascade 1000 Canister Filter 265 vs SunSun HW-304B Canister Filter with UV Sterilizer 525
- Tank size gal: Penn-Plax Cascade 1000 Canister Filter 100 vs SunSun HW-304B Canister Filter with UV Sterilizer 150
- Media stages: Penn-Plax Cascade 1000 Canister Filter 3 vs SunSun HW-304B Canister Filter with UV Sterilizer 5
- Wattage: Penn-Plax Cascade 1000 Canister Filter 28.5 vs SunSun HW-304B Canister Filter with UV Sterilizer 55
- Dimensions (in): Penn-Plax Cascade 1000 Canister Filter 11.5 x 10 x 17 vs SunSun HW-304B Canister Filter with UV Sterilizer 11 x 11 x 17