OASE BioMaster Thermo 250 External Canister Filter with Built-in Heater Black, Blue

OASE BioMaster Thermo 250 External Canister Filter with Built-in Heater Black, Blue

Marsoni

M251S

$172.00

Get it in 3 business days with 1 day shipping. Friday, May 29

OASE BioMaster Thermo 250 External Canister Filter with Built-in Heater Black, BlueThe BioMaster Thermo line of premium external filters with integrated heaters are perfect for marine and freshwater aquariums. The BioMaster Thermo 250 boasts 4 stage filtration in a compact design. With the heater integrated into your filter, there is more room for undisrupted beauty in your aquarium. Biological, mechanical, chemical, and prefiltration all work together to provide your aquarium with optimal water quality and clarity. The BioMaster

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Your OASE BioMaster Thermo 250 External Canister Filter with Built-in Heater Black, Blue orders ship within 1-2 business days.

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Fast: 2-3 business days
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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

When I purchased this, it said it fit my 2007 Toyota Prius. Not even close. The problem with the smaller item purchases, is you end up giving the company money and it’s just not worth my effort to re-bag it, and find where I would need to return it. I would be extremely cautious if purchasing from this company.

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Reviewed in the United States on February 17, 2026

Verified Purchase

Josh Frank

Birmingham, US

★★★★★ 5

Smells fresh!

Color: Blue

This filter does a great job of keeping my truck AC smelling fresh. It has a bit of a chemical smell the first day or so but clears up nice

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Reviewed in the United States on May 22, 2026