GRERON 66900386
#7 in Ceiling-hungFull review
Sized for a two-car garage or mid-size shop, rated to 1,060 CFM.
Amazon $249.99$249.99
The GRERON 66900386 is the better shop air filter overall, rated 3.7 to 3.5. The GRERON 66900386 leads on value. The GRERON 66900386 costs $160 less ($249.99 vs $409.99).
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.
POWERTEC AF1045E
#17 in Ceiling-hungFull review
Sized for a two-car garage or mid-size shop, rated to 1,060 CFM.
Amazon $409.99$409.99
Which should you buy?
- Choose the GRERON 66900386 for value ($0.24 per CFM ($249.99) vs $0.39 per CFM ($409.99)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every ceiling-hung shop air filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | GRERON 66900386 | POWERTEC AF1045E |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Value 25% | 68 $0.24 per CFM ($249.99) | 45 $0.39 per CFM ($409.99) |
| Airflow 25% | 69 1,060 CFM at top speed | 69 1,060 CFM at top speed |
| Filtration 20% | 57 inner filter rated to 1 micron | 57 inner filter rated to 1 micron |
| Features 20% | 80 remote control, timer, three or more speeds | 80 remote control, timer, three or more speeds |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| GRERON 66900386 | POWERTEC AF1045E | |
|---|---|---|
| Airflow | ||
| Airflow | 1,060 CFM | 655 to 1,060 CFM |
| Speeds | 3 | 3 |
| Filtration | ||
| Inner filter rating | 1 micron, 2-stage | 1 micron, 2-stage |
| Features | ||
| Remote control | Yes | Yes |
| Timer | Up to 4 h | Up to 4 h |
| Weight | - | 66 lb |