Bissell - Pet Hair Eraser 2390 vs Roborock - Flexi Pro Wet/Dry
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bissell - Pet Hair Eraser 2390 | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Dustbin | 1.0 L | 0.85 L |
| Suction (AW) | 150 | 170 |
| Weight | 8.0 kg | 4.5 kg |
| Cordless | false | true |
| Battery | 0 min | 40 min |
Between the Pet Hair Eraser 2390 and Flexi Pro Wet/Dry, the Pet Hair Eraser 2390 comes out ahead in dustbin, while the Flexi Pro Wet/Dry wins on suction (aw) / weight. Overall, the Pet Hair Eraser 2390 scores 59 and the Flexi Pro Wet/Dry scores 72.1 on our Mars Score.
Which should you buy?
The Flexi Pro Wet/Dry is the clear pick on raw spec strength, leading by 13.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Pet Hair Eraser 2390 if you care most about dustbin. The biggest gaps in its favor are dustbin. The single most decisive one: Dustbin — 17.65% more. 1.0 L vs 0.85 L.
Pick the Flexi Pro Wet/Dry if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are suction (aw), weight, cordless, among others. The single most decisive one: Suction (AW) — 13.33% more. 170 vs 150.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Flexi Pro Wet/Dry is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Bissell - Pet Hair Eraser 2390 or Roborock - Flexi Pro Wet/Dry?
Roborock - Flexi Pro Wet/Dry leads the current Mars Score by 13.1 points.The more useful decision is the trade-off behind that result: compare suction (aw), battery, weight against the way you will actually use the product.
Choose Bissell - Pet Hair Eraser 2390 if…
Bissell - Pet Hair Eraser 2390 has the measurable edge on dustbin l.
Choose Roborock - Flexi Pro Wet/Dry if…
Roborock - Flexi Pro Wet/Dry has the measurable edge on suction aw, weight kg, is cordless.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Bissell - Pet Hair Eraser 2390 wins
- ▲Dustbin — 17.65% more. 1.0 L vs 0.85 L.
Why Roborock - Flexi Pro Wet/Dry wins
- ▲Suction (AW) — 13.33% more. 170 vs 150.
- ▲Weight — 3.50 kg less. 4.5 vs 8.0.
- ▲Cordless: true (vs false).
- ▲Battery: 40 min vs 0 min.
Spec comparison
Performance
| Spec | Bissell - Pet Hair Eraser 2390 | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Suction (AW) | 150 | 170lead |
| Dustbin | 1.0 Llead | 0.85 L |
| Filter | HEPA | HEPA |
Design
| Spec | Bissell - Pet Hair Eraser 2390 | Roborock - Flexi Pro Wet/Dry |
|---|---|---|
| Type | Corded upright | Wet/dry cordlesslead |
| Cordless | false | truelead |
| Weight | 8.0 kg | 4.5 kglead |
| Battery | 0 min | 40 minlead |