Vacuum Cleaners

Best Vacuums

Shark Pet CZ351

Canister Vacuums / Bagless canister vacuums

The Shark Pet CZ351 canister vacuum cleaner includes an upholstery tool and a crevice/pet tool. It weighs 17.2 pounds and provides useful features such as a retractable cord and suction control.

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CR's Expert Take

How did it perform in our owner surveys and expert lab testing?

Overall Score

The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.

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Current Range of Tested Canister Vacuums

What goes into the Overall Score?

OWNER SURVEYS

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Carpet

/ 5

Bare floors

/ 5

Hose suction

/ 5

Handling

/ 5

Features

/ 5

Filtration effectiveness

/ 5

Pet hair

/ 5

Noise

/ 5

Ease of use

/ 5

Emissions

/ 5

Clean emissions

/ 5

Tool airflow

/ 5

Color

/ 5

About

This 17.2 -pound canister from Shark has suction control, micro-filtration and a 25-foot retractable cord.

Brand Reliability & Satisfaction

#? in Reliability of all Canister Vacuum Brands

Did the brand perform consistently well over time?

PREDICTED RELIABILITY SCORE

/ 100

Predicted brand reliability is based on estimated problem rates for newly-purchased canister vacuums by the end of the fifth year of ownership, adjusting for extended warranty/service contract status, product usage, and the presence of pet hair in the home. Ranked #? of 16

Would our members recommend this brand?

OWNER SATISFACTION SCORE

/ 100

Brand owner satisfaction is based on the proportion of members who are extremely likely to recommend their canister vacuum to their friends and family. Ranked #? of 16

Source: Consumer Reports' 2023, 2024, and 2025 Winter Surveys

Features & Specs

Features

Brush on/off

Manual-pile adjust

Suction control

Yes

Retractable cord

Yes

Full-bag/bin indicator

Yes

High efficiency particulate air (HEPA) filter

Yes

Folds for storage

Yes

Easy on/off

Yes

Specs

Weight

17 lbs.

Cord length

25 ft

Bag

Connections

Handling POC

Pet hair POC

Bare floors POC

Clean emissions POC

Hose suction POC

Noise POC

Carpet POC

Price & Shop

Shark Pet CZ351

CR's Expert Take

Overall Score

What goes into the Overall Score?

About

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