A portable unit rated to 1,250 CFM for a large shop without hanging hardware.
Amazon $219.99The OUKEETO FJ250 is the better shop air filter overall, rated 3.7 to 2.4. The OUKEETO FJ250 leads on value and airflow. The OUKEETO FJ250 costs $580 less ($219.99 vs $799.99).
Prices were last checked November 4, 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 portable unit rated to 850 CFM for a two-car garage or mid-size shop without hanging hardware.
Amazon $799.99Which should you buy?
- Choose the OUKEETO FJ250 for value ($0.18 per CFM ($219.99) vs $0.94 per CFM ($799.99)) and airflow (1,250 CFM at top speed vs 850 CFM at top speed).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable and tabletop shop air filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | OUKEETO FJ250 | JET AFS-850 |
|---|---|---|
| Overall rating | 3.7/5 | 2.4/5 |
| Value 25% | 82 $0.18 per CFM ($219.99) | 3 $0.94 per CFM ($799.99) |
| Airflow 25% | 86 1,250 CFM at top speed | 50 850 CFM at top speed |
| Filtration 20% | 50 filter rating not published (neutral score used) | 57 inner filter rated to 1 micron |
| Features 20% | 50 features not published (neutral score used) | 10 air-quality sensor |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| OUKEETO FJ250 | JET AFS-850 | |
|---|---|---|
| Airflow | ||
| Airflow | 850 to 1,250 CFM | 850 CFM |
| Noise | 55 dBA | 68 dBA |
| Filtration | ||
| Inner filter rating | - | 1 micron, 1-stage |
| Air-quality sensor | - | Yes |
| Features | ||
| Weight | - | 31.9 lb |
