A low-cost 8 in EC fan with strong rated airflow. Its power draw is not published, which keeps it below documented rivals.
Amazon $99.99The Hon&Guan PRO 8 in Inline Fan is the better inline duct fan overall, rated 3.1 to 2.9. The Hon&Guan PRO 8 in Inline Fan leads on airflow. The TerraBloom 8 in Inline Fan TB-MFIF-8 costs $10 less ($89.99 vs $99.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A low-cost 8 in fan for a large tent or attic. Its power draw and noise are not published.
Amazon $89.99Which should you buy?
- Choose the Hon&Guan PRO 8 in Inline Fan for airflow (830 CFM through 8 in duct vs 735 CFM through 8 in duct).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 8 in and up inline duct fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hon&Guan PRO 8 in Inline Fan | TerraBloom 8 in Inline Fan TB-MFIF-8 |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 25% | 83 $12.05 per 100 CFM ($99.99, 830 CFM) | 82 $12.24 per 100 CFM ($89.99, 735 CFM) |
| Efficiency 25% | 0 power draw not published, scored as the lowest | 0 power draw not published, scored as the lowest |
| Airflow 15% | 82 830 CFM through 8 in duct | 59 735 CFM through 8 in duct |
| Noise 15% | 51 42 dBA at full speed | 50 full-speed noise not published (neutral score used) |
| Controls 10% | 40 speed controller included | 40 speed controller included |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Hon&Guan PRO 8 in Inline Fan | TerraBloom 8 in Inline Fan TB-MFIF-8 | |
|---|---|---|
| Performance | ||
| Duct size | 8 in | 8 in |
| Rated airflow | 830 CFM | 735 CFM |
| Price per 100 CFM | $12.05 | $12.24 |
| Noise at full speed | 42 dBA | - |
| Controls | ||
| Motor | EC | - |
| Controller | Stepless speed controller | Built-in speed controller |
| Speeds | Stepless | Stepless |
| Temperature and humidity control | No | No |
| Phone app | No | No |
| Timer or cycle modes | No | No |
| Build | ||
| Housing | Metal | - |
| Ingress rating | IP42 | - |
