Torn between Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA for your next cordless vacuum?

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We examine the Detect Clean IW4621UKT – a battery-power vacuum by Shark, comparing runtime, dust tank, and costs, with – Blade 4 Classic Plus CLSV-B4CA by Vax, analysing real-world vacuuming performance.
By assessing these vacuums – the Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA from SHARK and VAX, you get the best floorcare machine.
Best Cordless Vacuum Pick
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA on performance and value
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Get DealSHARK Detect Clean IW4621UKT vs VAX Blade 4 Classic Plus CLSV-B4CA – key Specifications
SHARK Detect Clean IW4621UKT Specs

- Product Brand: SHARK
- Cordless Vacuum Model: Detect Clean IW4621UKT
- Type of Vacuum: Stick
- Battery Life: 60 Minutes
- Dirt Tank Capacity: 1.3L
- Weight: 2.78KG
- Colour: Cloudy Blue
- RRP: £235.99
VAX Blade 4 Classic Plus CLSV-B4CA Specs

- Product Brand: VAX
- Cordless Vacuum Model: Blade 4 Classic Plus CLSV-B4CA
- Type of Vacuum: Stick
- Battery Life: 45 Minutes
- Dirt Tank Capacity: 0.7L
- Weight: 3.1KG
- Colour: Graphite & Blue
- RRP: £149.00
Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA Cordless Battery Run Time
SHARK Stick cordless vacuums, like the Detect Clean IW4621UKT, provides lightweight portability without mains cables. Blade 4 Classic Plus CLSV-B4CA Stick is also cordlessly powered by a VAX rechargeable battery.
The Vax Blade 4 Classic Plus CLSV-B4CA has a battery supply runtime of 45 minutes of cleaning, compared to the Shark Detect Clean IW4621UKT which has 60 minutes life.
- SHARK Detect Clean IW4621UKT Runtime: 60 mins continuous vacuuming
- VAX Blade 4 Classic Plus CLSV-B4CA Runtime: 45 mins continuous vacuuming
Charging times between the Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Shark Detect Clean IW4621UKT and Vax Blade 4 Classic Plus CLSV-B4CA are bagless, storing dust, hairs, dirt, and debris inside a sealed 1.3 litre and 0.7 litre tank, respectively. The Blade 4 Classic Plus CLSV-B4CA by VAX holds up to 0.7 Litre of compressed dirty particles. The Detect Clean IW4621UKT by SHARK has a capable capacity of 1.3 litre for manual disposable.
- Detect Clean IW4621UKT onboard dirt/dust tank size: 1.3L
- Blade 4 Classic Plus CLSV-B4CA onboard dirt/dust tank size: 0.7L
Floor Cleaning Types
Shark’s Detect Clean IW4621UKT and Vax’s Blade 4 Classic Plus CLSV-B4CA 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 Blade 4 Classic Plus CLSV-B4CA and Detect Clean IW4621UKT can’t vacuum liquids. For this, a VAX or SHARK ‘wet and dry’ vacuum is needed.
Most Shark and Vax battery powered vacuums include accessories. Check Detect Clean IW4621UKT or Blade 4 Classic Plus CLSV-B4CA manual for specifications and attachments.
Vacuum Filtration
The Blade 4 Classic Plus CLSV-B4CA and SHARK Detect Clean IW4621UKT include effective filters to capture dust, dander, pollen, hairs, and fibres.
SHARK and VAX use HEPA, foam, or cloth, filters. Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA maintain suction and clean exhaust air.
VAX and SHARK Reviews
Combined feedback from 85 reviewers shows the Detect Clean IW4621UKT with a rating of 4.2/5 stars, and the Blade 4 Classic Plus CLSV-B4CA vacuum gains a 4.4/5 average from 1,440 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| SHARK | Detect Clean IW4621UKT | 60 M | 2.78 | 1.3L | £235.99 |
| VAX | Blade 4 Classic Plus CLSV-B4CA | 45 M | 3.1 | 0.7L | £149.00 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Detect Clean IW4621UKT and Blade 4 Classic Plus CLSV-B4CA on performance and value
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