# Fluval FX6 Canister Filter vs Penn-Plax Cascade 1000 Canister Filter: specs and price compared

A sourced, side-by-side comparison of the Fluval FX6 Canister Filter (Fluval) and Penn-Plax Cascade 1000 Canister Filter (Penn-Plax) among aquarium filters.

## Side by side

| Spec | Fluval FX6 Canister Filter | Penn-Plax Cascade 1000 Canister Filter |
| --- | --- | --- |
| US price | $369.99 | not published |
| Brand | Fluval | Penn-Plax |
| Type | canister | canister |
| Flow rate gph | 925 | 265 |
| Tank size gal | 400 | 100 |
| Media capacity (L) | 5.9 | — |
| Media stages | 3 | 3 |
| Wattage | 43 | 28.5 |
| Self priming | Yes | Yes |
| Dimensions (in) | 15.75 x 15.75 x 20.8 | 11.5 x 10 x 17 |

## Key differences

- Flow rate gph: Fluval FX6 Canister Filter 925 vs Penn-Plax Cascade 1000 Canister Filter 265
- Tank size gal: Fluval FX6 Canister Filter 400 vs Penn-Plax Cascade 1000 Canister Filter 100
- Wattage: Fluval FX6 Canister Filter 43 vs Penn-Plax Cascade 1000 Canister Filter 28.5
- Dimensions (in): Fluval FX6 Canister Filter 15.75 x 15.75 x 20.8 vs Penn-Plax Cascade 1000 Canister Filter 11.5 x 10 x 17

## Sources

- Fluval FX6 Canister Filter: https://www.fluvalaquatics.com/us/shop/product/fx6-canister-filter-up-to-400-us-gal-1500-l (fluvalaquatics.com, verified 2026-08-01)
- Penn-Plax Cascade 1000 Canister Filter: https://eorder.pennplax.com/ccf3ul (eorder.pennplax.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/aquarium-filters/fluval-fx6-vs-penn-plax-cascade-1000/
Cite: Per The Front Desk Review, Fluval FX6 Canister Filter ($369.99) vs Penn-Plax Cascade 1000 Canister Filter (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-filters/fluval-fx6-vs-penn-plax-cascade-1000/
License: CC BY 4.0.