Prime Day deals include this Shark AI Ultra robot vacuum for 58 percent off

Ahead of the Amazon Big Deal Days event (aka Prime Day in October), a tasty deal on a Shark robot vacuum has popped up. You’ll need to be a Prime member to take advantage of the offer on the , but if you are, you can get the device for over half off. The discount drops the price from $550 to $230.

That means you can snap up the robot vacuum for $320 below list price. The discount marks a record low for this model.

Shark offers several variations of its AI Ultra robot vacuums. There are small variations between them, and a different model is our pick for the for most people. In general, you can expect solid cleaning performance from these devices, along with accurate home mapping and an easy-to-use app.

The model that’s on sale here is said to run for up to 120 minutes on a single charge, which should be enough to clean an entire floor in a typical home. The self-emptying, bagless vacuum can store up to 30 days worth of dirt and debris in its base. Shark says it can capture 99.97 percent of dust and allergens with the help of HEPA filtration.

If you’d rather plump for a model that’s able to mop your floors too, you’re in luck: a is on sale as well. At $300 for Prime members, this vacuum is available for $400 (or 57 percent) off the list price. Its mopping function can scrub hard floors 100 times per minute. You can also trigger the Matrix Mop function in the app for a deeper clean. This delivers 50 percent better stain cleaning in targeted zones, according to Shark.