Sebo K3 Air Belt
Score: 86/100
Miele Blizzard CX1
Score: 78/100Rankings
The Sebo K3 Air Belt K Series is a mid-size canister vacuum with a powerful 1250 W motor and hospital-grade filtration, delivering strong suction and a long 37-ft cleaning radius. Its drawbacks include the lack of a built-in headlight and manual brush-height adjustment. Ideal for mixed-floor homes where quiet operation and allergen control are priorities.

The Miele Blizzard CX1 PureSuction is a high-performance bagless canister vacuum with strong motor power and excellent HEPA filtration. Its main trade-offs are the lack of a carpet tool, heavier weight, and corded design. Best suited for users focused on hard-floor cleaning and allergy control.
| Attribute | Sebo K3 Air Belt | ![]() |
|---|---|---|
| ↓ lower better | 5.44 kgbest | 8.6 kg |
1,250 Wbest | 1,200 W | |
3.03 L | 6 Lbest | |
25.4 cm | 31 cmbest | |
7.62 m | 9.75 mbest | |
5 yearsbest | 3 years | |
25.4 cm | 51.5 cmbest | |
11.28 mbest | 9.75 m |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Sebo K3 Air Belt | ![]() |
|---|---|---|
Performance(2) | ||
Dust Capacity (L) | 3.03 L | 6 L |
Motor Power (W) | 1250 W | 1200 W |
Warranty(1) | ||
Warranty (years) | 5 years | 3 years |
Build & Design(4) | ||
Weight (kg) | 5.44 kg | 8.60 kg |
Height (cm) | 25.4 cm | 31.0 cm |
Width (cm) | 25.4 cm | 51.5 cm |
Length (cm) | 40.64 cm | 31.0 cm |
Power(2) | ||
Cord Length (m) | 7.62 m | 9.75 m |
Operating Radius (m) | 11.28 m | 9.75 m |
Features(1) | ||
Filtration Type | S-Class | Hygiene Lifetime Filter |

Products in the top-left offer the best value (high score, low price).
Editors at VacuumCleanerMarket, House of Vacuums and eVacuumStore describe the K3 as a powerful yet lightweight canister that excels on mixed flooring, thanks to the ET-1 electric head and S-Class filtration. They commend its quiet operation, long reach and German build quality, noting the 5-year belt guarantee as a sign of durability. The only criticisms are the lack of a headlight and the manual brush-height adjustment.
Customers who have reviewed the K3 repeatedly praise its compact footprint, strong suction and the ability to tackle both carpet and hard floors with the same machine. The low profile of the power head and the quiet motor are also frequently mentioned as positives, while no significant complaints have surfaced in the limited feedback available.

Professional commentary positions the Miele Blizzard CX1 PureSuction as a high-performance, hard-floor-focused vacuum that leverages Miele's Vortex motor and self-cleaning HEPA filtration. While praised for power, filtration, and low-maintenance bagless design, reviewers highlight the missing carpet tool and limited acoustic data as notable drawbacks.
“compact size with powerful suction”
