# Penn-Plax Cascade 1000 Canister Filter vs SunSun HW-304B Canister Filter with UV Sterilizer: specs and price compared

A sourced, side-by-side comparison of the Penn-Plax Cascade 1000 Canister Filter (Penn-Plax) and SunSun HW-304B Canister Filter with UV Sterilizer (SunSun) among aquarium filters.

## Side by side

| Spec | Penn-Plax Cascade 1000 Canister Filter | SunSun HW-304B Canister Filter with UV Sterilizer |
| --- | --- | --- |
| US price | not published | $178.99 |
| Brand | Penn-Plax | SunSun |
| 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 |

## Key differences

- 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

## Sources

- Penn-Plax Cascade 1000 Canister Filter: https://eorder.pennplax.com/ccf3ul (eorder.pennplax.com, verified 2026-08-01)
- SunSun HW-304B Canister Filter with UV Sterilizer: https://mingllc.com/product/hw-304b/ (mingllc.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/aquarium-filters/penn-plax-cascade-1000-vs-sunsun-hw-304b/
Cite: Per The Front Desk Review, Penn-Plax Cascade 1000 Canister Filter (not published) vs SunSun HW-304B Canister Filter with UV Sterilizer ($178.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-filters/penn-plax-cascade-1000-vs-sunsun-hw-304b/
License: CC BY 4.0.