Sized for a two-car garage or mid-size shop, rated to 780 CFM.
Amazon $239The Abestorm DecDust 780 rates 3.0 among ceiling-hung shop air filters; the JET AFS-850 rates 2.4 among portable and tabletop ones. The Abestorm DecDust 780 costs $560.99 less ($239 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 $799.99Scores side by side
These two sit in different type classes (ceiling-hung and portable and tabletop), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Abestorm DecDust 780 | JET AFS-850 |
|---|---|---|
| Overall rating | 3.0/5 | 2.4/5 |
| Value 25% | 56 $0.31 per CFM ($239) | 3 $0.94 per CFM ($799.99) |
| Airflow 25% | 44 780 CFM at top speed | 50 850 CFM at top speed |
| Filtration 20% | 57 inner filter rated to 1 micron | 57 inner filter rated to 1 micron |
| Features 20% | 30 remote control | 10 air-quality sensor |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Abestorm DecDust 780 | JET AFS-850 | |
|---|---|---|
| Airflow | ||
| Airflow | 580 to 780 CFM | 850 CFM |
| Speeds | 2 | - |
| Room size covered | 800 sq ft | - |
| Noise | 50 dBA | 68 dBA |
| Filtration | ||
| Inner filter rating | 1 micron, 1-stage | 1 micron, 1-stage |
| Air-quality sensor | - | Yes |
| Built-in ionizer | No | - |
| Features | ||
| Remote control | Yes | - |
| Weight | 20 lb | 31.9 lb |