Sized for a two-car garage or mid-size shop, rated to 780 CFM.
Amazon $191.20
Sized for a two-car garage or mid-size shop, rated to 510 CFM.
- 250 to 510 CFMAirflow
- 1 micron, 2-stageFilter
- Up to 4 hTimer
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
- Remote and timer let it keep cleaning after you leave the shop
- No warranty published on the listing
- Little-known brand; no maker spec sheet or service page found
The GRERON family
Every GRERON model we rank, smallest first. Ratings compare each against its own type.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| GRERON 66900399 (this one) | 250 to 510 CFM | 3.1/5 | $149.99 |
| GRERON 66900386 | 1,060 CFM | 3.7/5 | $249.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | 66900399 |
|---|---|
| Airflow | |
| Airflow | 250 to 510 CFM |
| Speeds | 10 |
| Filtration | |
| Inner filter rating | 1 micron, 2-stage |
| Features | |
| Remote control | Yes |
| Timer | Up to 4 h |
Alternatives in this type
Sized for a two-car garage or mid-size shop, rated to 780 CFM.
Amazon $220.15Sized for a two-car garage or mid-size shop, rated to 510 CFM.
Amazon $179.99Compare
Compare the GRERON 66900399 with any other shop air filter →
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