Shark robot vacuums

• Does not matter0, 0 models
• Up to 15 m² (160 sq ft)0, 0 models
• 15 to 30 m² (160 to 320 sq ft)0, 0 models
• 30 to 50 m² (320 to 540 sq ft)0, 0 models
• Over 50 m² (540 sq ft)0, 0 models

A purifier cleans the air in a room only as fast as its CADR allows, so the room sets the size you need.

• Does not matter0, 0 models
• Hay fever or pollen0, 0 models
• Asthma or dust mite0, 0 models

A finer filter catches more pollen and dust mite. For asthma we also leave out ionisers that cannot be switched off.

• Does not matter0, 0 models
• Wildfire smoke where I live0, 0 models

Smoke needs a measured smoke CADR and a carbon filter. We leave out ionisers that cannot be switched off.

• all0, 0 models
• ★★★★★ 5 stars0, 0 models
• ★★★★☆ 4 stars or higher0, 0 models
• ★★★☆☆ 3 stars or higher0, 0 models
• ★★☆☆☆ 2 stars or higher0, 0 models
• ★☆☆☆☆ 1 star or higher0, 0 models

Counts only models with at least 20 reviews: with fewer, the average says little.