Save £200 on the iRobot Roomba i7+ with this Prime Day lightning deal

*SAVE £200:* The iRobot Roomba i7+ robot vacuum cleaner is on sale for £599.99 this Prime Day, saving you £200 on list price. But hurry: this Lightning Deal won't last.

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We usually steer clear of Prime Day lightning deals, because they don't stick around for long. Some lightning deals demand...