Shark Clean & Empty Cordless (BU3521) vs Shark PowerPro Pet (IZ373H)

The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

Clean & Empty Cordless (BU3521)

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PowerPro Pet (IZ373H)

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Choose the Clean & Empty Cordless (BU3521) if

Choose the PowerPro Pet (IZ373H) if

At a glance

Measured differences only. Ties and tiny gaps are left out.

Full specs

Battery & charging1 difference

Runtime Min

40 min

50 min

Design3 differences

Depth Mm

14.33 in (36.4 cm)

10.35 in (26.3 cm)

Height Mm

28.86 in (73.3 cm)

44.37 in (112.7 cm)

Width Mm

10.35 in (26.3 cm)

7.01 in (17.8 cm)

General1 difference

Power W

240 W

181 W

Where to buy

Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

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