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Pet hair is a constant battle for dog owners.

It’s also easy to hold up when cleaning above the floor, although you may find this tiring after a while.. All the buttons are conveniently placed, making it easy to switch modes or activate the boost function.We also like the comfortable handle..

Unlike Dyson cordless vacuums, we like that the Shark IZ251UKT has a simple on/off toggle rather than a trigger system.If you hate the idea of needing to hold down a trigger to keep the vacuum running, then Shark’s system will be a welcome relief..Unfortunately, the Shark IZ251UKT isn’t a freestanding model, as it topples backwards when left standing.

This is where the Flexology wand is useful though, as the vacuum does stand up when folded.. Other Design Features.The IZ251UKT has Shark’s Flexology design.

This is effectively a joint in the vacuum’s wand, which you can use to clean under furniture.. There’s also the option of folding the vacuum for storage, which is useful if you want to keep the Shark in a small cupboard.

When folded, the vacuum is approximately 70cm tall..In an attempt to make things easier, some vacuum cleaner manufacturers list “Air Watts” as part of their vacuum specifications..

Unlike regular watts, this metric is meant to measure the vacuum’s suction power.But how is it calculated?

And is it a useful rating…or just another marketing gimmick?Let’s find out!.