A cheap 8 in EC fan with a full-featured controller. Its power draw and full-speed noise are not published.
Amazon $94.90
A low-cost 8 in fan for a large tent or attic. Its power draw and noise are not published.
- 735 CFMAirflow
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Low price for 735 CFM through an 8 in duct
- Built-in speed control, no separate box
- Power draw, noise and warranty not published
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its duct size. How we rank explains each one.
Specifications
| Model number | TB-MFIF-8 |
|---|---|
| Performance | |
| Duct size | 8 in |
| Rated airflow | 735 CFM |
| Price per 100 CFM | $12.24 |
| Controls | |
| Controller | Built-in speed controller |
| Speeds | Stepless |
| Temperature and humidity control | No |
| Phone app | No |
| Timer or cycle modes | No |
Alternatives in this duct size
A low-cost 8 in EC fan with strong rated airflow. Its power draw is not published, which keeps it below documented rivals.
Amazon $99.99An efficient 8 in fan for a garage, shop or grow room where it can run out of earshot.
Amazon $119.99Compare
Compare the TerraBloom 8 in Inline Fan TB-MFIF-8 with any other inline duct fan →
More from TerraBloom: every TerraBloom product ranked.