Torn between Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean for your next cordless vacuum?

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We examine the Unlimited 9 BBS931WGB – a battery-power vacuum by Bosch, comparing runtime, dust tank, and costs, with – AirRAM 3 Dual Edge-Clean by Gtech, analysing real-world vacuuming performance.
By assessing these vacuums – the Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean from BOSCH and GTECH, you get the best floorcare machine.
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Get DealBOSCH Unlimited 9 BBS931WGB vs GTECH AirRAM 3 Dual Edge-Clean – key Specifications
BOSCH Unlimited 9 BBS931WGB Specs

- Product Brand: BOSCH
- Cordless Vacuum Model: Unlimited 9 BBS931WGB
- Type of Vacuum: Stick
- Battery Life: 60 Minutes
- Dirt Tank Capacity: 0.4L
- Weight: 5KG
- Colour: White
- RRP: £449.00
GTECH AirRAM 3 Dual Edge-Clean Specs

- Product Brand: GTECH
- Cordless Vacuum Model: AirRAM 3 Dual Edge-Clean
- Type of Vacuum: Stick
- Battery Life: 30 Minutes
- Dirt Tank Capacity: 0.8L
- Weight: 3.8KG
- Colour: Black & White
- RRP: £399.00
Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean Cordless Battery Run Time
BOSCH Stick cordless vacuums, like the Unlimited 9 BBS931WGB, provides lightweight portability without mains cables. AirRAM 3 Dual Edge-Clean Stick is also cordlessly powered by a GTECH rechargeable battery.
The Gtech AirRAM 3 Dual Edge-Clean has a battery supply runtime of 30 minutes of cleaning, compared to the Bosch Unlimited 9 BBS931WGB which has 60 minutes life.
- BOSCH Unlimited 9 BBS931WGB Runtime: 60 mins continuous vacuuming
- GTECH AirRAM 3 Dual Edge-Clean Runtime: 30 mins continuous vacuuming
Charging times between the Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Bosch Unlimited 9 BBS931WGB and Gtech AirRAM 3 Dual Edge-Clean are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.4 litre and 0.8 litre tank, respectively. The AirRAM 3 Dual Edge-Clean by GTECH holds up to 0.8 Litre of compressed dirty particles. The Unlimited 9 BBS931WGB by BOSCH has a capable capacity of 0.4 litre for manual disposable.
- Unlimited 9 BBS931WGB onboard dirt/dust tank size: 0.4L
- AirRAM 3 Dual Edge-Clean onboard dirt/dust tank size: 0.8L
Floor Cleaning Types
Bosch’s Unlimited 9 BBS931WGB and Gtech’s AirRAM 3 Dual Edge-Clean brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.
Their only limitation is the AirRAM 3 Dual Edge-Clean and Unlimited 9 BBS931WGB can’t vacuum liquids. For this, a GTECH or BOSCH ‘wet and dry’ vacuum is needed.
Most Bosch and Gtech battery powered vacuums include accessories. Check Unlimited 9 BBS931WGB or AirRAM 3 Dual Edge-Clean manual for specifications and attachments.
Vacuum Filtration
The AirRAM 3 Dual Edge-Clean and BOSCH Unlimited 9 BBS931WGB include effective filters to capture dust, dander, pollen, hairs, and fibres.
BOSCH and GTECH use HEPA, foam, or cloth, filters. Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean maintain suction and clean exhaust air.
GTECH and BOSCH Reviews
Combined feedback from 41 reviewers shows the Unlimited 9 BBS931WGB with a rating of 4.7/5 stars, and the AirRAM 3 Dual Edge-Clean vacuum gains a 4.8/5 average from 41 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| BOSCH | Unlimited 9 BBS931WGB | 60 M | 5 | 0.4L | £449.00 |
| GTECH | AirRAM 3 Dual Edge-Clean | 30 M | 3.8 | 0.8L | £399.00 |
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Best cordless vacuum – Shark PowerPro – beating Unlimited 9 BBS931WGB and AirRAM 3 Dual Edge-Clean on performance and value
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