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OASE BioMaster 350 External Aquarium Filter
Key item features
- THE MOST CONVENIENT CANISTER FILTER ON THE MARKET – The OASE BioMaster 350 External Filter's EasyClean Pre-filter module can be removed separately from the rest of the filter. This makes maintenance fast and simple. It also increases filter efficiency and extends the life of main filter foams.
- ADD A HEATER - Easily integrate an OASE HeatUp heater into the BioMaster filter. Adding the heater to your canister minimizes the amount of in-tank equipment, while also protecting inhabitants from direct contact.
- CLEAN, CLEAR, HEALTHY WATER – Engineered with 4-stage sealed filtration pathways, this filter ensures water travels the most efficient path through activated carbon foams, filter foams of differing pore densities, and Hel-X Biomedia – all providing ideal surface area for beneficial bacteria settlement.
- BUILT-IN SAFETY FEATURES - Designed with safety locks on the handle, pre-filter, and aquastop to avoid spills during maintenance. The aquastop is detachable for easy movement of the filter without affecting the tubing setup.
- QUALITY DESIGN – Made in Italy, with German engineering from OASE and backed by a 4-year warranty (3 + 1 year with online registration). Includes all the necessary fittings for your setup: intake tube with inlet strainer, water distributor nozzle, spray bar, inlet adapter and outlet adapter with flow control, tubing, fittings, heater adapter, and 6 ft. power cords (one cord for filter, one cord for heater).
Specs
- Aquarium filter typeAquarium Filter
- Power typeCorded Electric
- Number of stages3-Stage
- Assembled product height16.7 in
- Rec. useAt-Home, Breeding
- Size descriptorLarge
Current price is USD$254.92$1.07/ea
Price when purchased online
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About this item
Product details
The OASE BioMaster Filter is a game-changer for aquarium enthusiasts, offering convenience and efficiency. Its unique EasyClean Pre-filter module allows you to quickly remove and clean it without having to disassemble the entire unit. This reduces maintenance time and boosts the filter's performance while prolonging the life of the main foams. The best part? Thanks to quicker and simple maintenance, you spend more time enjoying your beautiful aquarium! You also have the option to add a heater to your BioMaster (not included). Adding an OASE HeatUp will help reduce clutter inside the tank, but it also keeps your aquatic inhabitants safe from direct contact with the heater. The BioMaster's four-stage filtration system guarantees crystal clear water, as it flows through various media, including activated carbon and OASE Hel-X Biomedia, creating an ideal habitat for beneficial bacteria. Safety is also a top priority, with secure locks and an aquastop feature that prevents spills during cleaning. Manufactured in Italy with German engineering, this filter quality is unmatched and OASE stands behind the quality of the product with a 4-year warranty (3 + 1 year when you register online). Included in the box are all the necessary accessories for your set-up, so you'll be up and running so you can enjoy your aquarium!
- THE MOST CONVENIENT CANISTER FILTER ON THE MARKET – The OASE BioMaster 350 External Filter's EasyClean Pre-filter module can be removed separately from the rest of the filter. This makes maintenance fast and simple. It also increases filter efficiency and extends the life of main filter foams.
- ADD A HEATER - Easily integrate an OASE HeatUp heater into the BioMaster filter. Adding the heater to your canister minimizes the amount of in-tank equipment, while also protecting inhabitants from direct contact.
- CLEAN, CLEAR, HEALTHY WATER – Engineered with 4-stage sealed filtration pathways, this filter ensures water travels the most efficient path through activated carbon foams, filter foams of differing pore densities, and Hel-X Biomedia – all providing ideal surface area for beneficial bacteria settlement.
- BUILT-IN SAFETY FEATURES - Designed with safety locks on the handle, pre-filter, and aquastop to avoid spills during maintenance. The aquastop is detachable for easy movement of the filter without affecting the tubing setup.
- QUALITY DESIGN – Made in Italy, with German engineering from OASE and backed by a 4-year warranty (3 + 1 year with online registration). Includes all the necessary fittings for your setup: intake tube with inlet strainer, water distributor nozzle, spray bar, inlet adapter and outlet adapter with flow control, tubing, fittings, heater adapter, and 6 ft. power cords (one cord for filter, one cord for heater).
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Specifications
Aquarium filter type
Aquarium Filter
Brand
OASE
Features
Biological, Chemical, External, Filtration, Multi-Stage, Quiet, Reliable
Power type
Corded Electric
Directions
Instructions
Instructions included
Warranty
Warranty information
3 Year Limited
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Customer ratings & reviews
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Showing 1-2 of 2 reviews
Mar 16, 2025
Paul
Item details
Size: 9.4L x 9.4W x 19H in.
5 out of 5 stars review
Verified Purchase
Whisper quiet
Went through 4 different canister filters from Amazon. The first two were Sun Sun 3000s. First one leaked. Second was loud. I then decided to just bit the bullet and get a Fluval FX2. First one was even louder than the SunSun. Fourth was loudest of all. I believe my local Amazon center and/or UPS isn't exactly treating these items with care, making them all banged up before they ever arrived. Ordered this OASE BioMaster 600 from Walmart. Came packaged with fragile and "this way up" stickers, and sent via FedEx instead of UPS. It's whisper quiet.
Helpful?33C2HYL5MK4W426472735
Dec 19, 2022
ryan
5 out of 5 stars review
Verified Purchase
Great!
This is definitely a serious fish tank filter
Helpful?33C2HYL5MK4W426472735





