Shark NV360 - ServiceDig

Airflow (CFM)
the shark exceeded the capacity of our wind speed meter at 45 m/s we call it overload
Allergen-containment seal
it has a sealed system to keep the dirt inside the vacuum
Cleaning performance on carpet
the shark Navigator performed best
Maneuverability & swivel steering
except for the Shark Navigator it's got a better head design
Stair-cleaning convenience
the Shark is also good with stairs because it has Lift Away technology

Height adjustment controls
Despite having a powerful head the Navigator unfortunately has no height adjustment

Allergen-containment seal
Anti-allergen seal keeps pollutants inside the unit.
Cleaning performance on carpet
Works well on carpets with brush-roll control.
Cleaning performance on hard floors
Brush-roll control helps on hard floors too.
Dust-bin capacity
Generous dust cup capacity prolongs cleaning.
Filtration quality (HEPA rating, multi-stage)
HEPA system traps 99.9% of particles.
Maneuverability & swivel steering
Swivel steering provides smooth maneuverability.
Onboard tool storage
Attachments store directly on the vacuum.
Power-cord length & auto-retract (corded)
25-ft power cord gives decent reach.
Stair-cleaning convenience
Lift-Away design turns it into a portable stair vacuum.
Suction-power feel (real-world)
Powerful cyclonic suction captures fine dust and debris.
Weight
At 16 lb it’s manageable but not light.

Attachment variety & compatibility
Includes only basic crevice and upholstery tools.
Build quality & durability
Clear plastic feels adequate but not premium.

Hair-wrap prevention / anti-tangle tech
Brush roll tends to tangle with hair.
Height adjustment controls
No height adjustment, making deep-pile carpets tricky.