# AquaClear 110 Power Filter vs OASE BioMaster Thermo 850 Canister Filter: specs and price compared

A sourced, side-by-side comparison of the AquaClear 110 Power Filter (AquaClear) and OASE BioMaster Thermo 850 Canister Filter (OASE) among aquarium filters.

## Side by side

| Spec | AquaClear 110 Power Filter | OASE BioMaster Thermo 850 Canister Filter |
| --- | --- | --- |
| US price | $99.99 | not published |
| Brand | AquaClear | OASE |
| Type | hang-on-back | canister |
| Flow rate gph | 500 | 400 |
| Tank size gal | 110 | 250 |
| Media capacity (L) | — | 8 |
| Media stages | 4 | 4 |
| Wattage | 14 | 32 |
| Self priming | — | Yes |
| Dimensions (in) | 13.6 x 6.9 x 9.2 | 9.4 x 9.4 x 21.1 |

## Key differences

- Type: AquaClear 110 Power Filter hang-on-back vs OASE BioMaster Thermo 850 Canister Filter canister
- Flow rate gph: AquaClear 110 Power Filter 500 vs OASE BioMaster Thermo 850 Canister Filter 400
- Tank size gal: AquaClear 110 Power Filter 110 vs OASE BioMaster Thermo 850 Canister Filter 250
- Wattage: AquaClear 110 Power Filter 14 vs OASE BioMaster Thermo 850 Canister Filter 32
- Dimensions (in): AquaClear 110 Power Filter 13.6 x 6.9 x 9.2 vs OASE BioMaster Thermo 850 Canister Filter 9.4 x 9.4 x 21.1

## Sources

- AquaClear 110 Power Filter: https://www.fluvalaquatics.com/us/shop/product/aquaclear (fluvalaquatics.com, verified 2026-08-01)
- OASE BioMaster Thermo 850 Canister Filter: https://www.aquaristikshop.com/aquaristik/OASE-Aussenfilter-BioMaster2-Thermo-850/788008/ (aquaristikshop.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/aquarium-filters/aquaclear-110-vs-oase-biomaster-thermo-850/
Cite: Per The Front Desk Review, AquaClear 110 Power Filter ($99.99) vs OASE BioMaster Thermo 850 Canister Filter (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-filters/aquaclear-110-vs-oase-biomaster-thermo-850/
License: CC BY 4.0.