The most powerful small tank for its size, with dual frequency and degas, for shop parts and jewelry alike.
Amazon $128.97
A 3 L dual-frequency tank with degas, for buyers who want a gentler 40 kHz setting and a stronger 28 kHz one in a small footprint.
- 3 LTank
- 120 WUltrasonic
- 28/40 kHzFrequency
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Switches between 28 kHz for heavy grime and 40 kHz for finer parts
- Seamless one-piece 1 mm SUS304 tank resists leaks
- Timer runs to 99 minutes
- Listing does not mention a basket
- Heater wattage and warranty not published
The EIWEI CD-E dual-frequency family
Every EIWEI CD-E dual-frequency model we rank, smallest first. Ratings compare each against its own tank size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| EIWEI CD-E3 3L Dual-Frequency (this one) | 3 L | 3.5/5 | $117.98 |
| EIWEI CD-E6 6L Dual-Frequency | 6 L | 2.9/5 | $199.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its tank size. How we rank explains each one.
Specifications
| Model number | CD-E3 |
|---|---|
| Tank | |
| Capacity | 3 L |
| Inner tank size | 24 x 14 x 10 cm |
| Tank steel | SUS304 stainless |
| Price per liter | $39.33/L |
| Ultrasonics and heat | |
| Ultrasonic power | 120 W |
| Ultrasonic power per liter | 40 W/L |
| Frequency | 28/40 kHz |
| Temperature range | Up to 80 °C |
| Controls | |
| Controls | Digital |
| Longest timer | 99 min |
| Degas mode | Yes |
| Gentle or adjustable power | Yes |
| Build | |
| Weight | 7.1 lb |
Alternatives in this tank size
A well-equipped 3 L tank for small carburetors, jewelry and hobby parts, with degas and gentle modes under $100.
Amazon $95.99A 6 L parts tank with sweep and adjustable power, aimed at carburetors, chains and gun parts.
Amazon $148.79Compare
Compare the EIWEI CD-E3 3L Dual-Frequency with any other ultrasonic cleaner →
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