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OASE
OASE BioMaster 2 Thermo 250 Canister Filter for Aquariums – External Aquarium Filter with Built-in Heater – EasyClean Pre-Filter, Quiet Operation – Freshwater & Saltwater, Up to 70 Gallons
4.7
Based on 27 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Brand
- OASE
- Special Feature
- Heavy Duty
- Product Dimensions
- 9.4"L x 9.4"W x 27"H
- Item Weight
- 7.14 Kilograms
- Model Name
- OASE BioMaster 2 Thermo 250 Canister Filter for Aquariums
- UPC
- 706759946919
- Manufacturer
- GeoGlobal
- Item Weight
- 15.72 pounds
- ASIN
- B0F3M39VYQ
- Item model number
- 94691-GGP
- Customer Reviews
- 4.7 4.7 out of 5 stars 27 ratings 4.7 out of 5 stars
- Date First Available
- April 3, 2025
- Item Package Dimensions L x W x H
- 17 x 15 x 12 inches
- Item Dimensions LxWxH
- 9.4 x 9.4 x 14.6 inches
- Brand Name
- OASE
- Size
- BioMaster 2 Thermo 250
- Product Dimensions
- 9.4 x 9.4 x 14.6 inches; 15.75 Pounds
- Best Sellers Rank
- See Top 100 in Pet Supplies
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About the Author
Expert analysis by Lila Ravensong
Lila Ravensong
Expert ReviewerSenior Editor
Lila leads style coverage at Review Atlas, reviewing everyday essentials and statement pieces with an eye for longevity. She compares fabrics, clasp quality, and movement accuracy so you know what’s worth the splurge. Her guides emphasize fit, tailoring, and care—because the best wardrobe is the one you actually wear.
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View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Lila Ravensong
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Aquariums & Fish Bowls testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed