Suggested Retail:$140. Blueair Pure 411+ Air Purifier White. The Blue Pure 411+ air purifier offers high performance, simple one-button operation, and customizable colors - all in a lightweight, compact package. The air purifier creates a comfortable environment with a 360° air intake to completely filter room air about every 12 minutes or about 5x an hour in small rooms up to 185 ft². The 3-step combination particle + carbon filter removes annoying household odors, as well as 99.97% of airborne particles, like pollen, dust, pet dander, and more with Blueair filtration technology. The Blue Pure 411+ is rated by ENERGY STAR for energy efficiency and awarded the Quiet Mark for impressively quiet operation. Easily adapt the Blue Pure 411+ to your space with multiple pre-filter color options, machine-washable pre-filter in Dark Shadow is included. Or, for a Scandinavian look, go without a pre-filter altogether to show off the sleek, white-mesh frame. At Blueair, our Swedish heritage inspires sustainability and quality at the heart of everything we do. With the most independent certifications² in the industry, we can confidently say Blueair is the best-performing air purifier brand¹. ​¹Based on performance values for CADR (Tobacco Smoke), ENERGY STAR rating, and safe ozone emissions in AHAM's Directory of Certified Portable Electric Room Air Cleaners (July 2019). ²Based on the percentage of leading brand's models certified for performance (AHAM Verifide), energy efficiency (ENERGY STAR), and safe ozone (CARB).³Based on internal Blueair testing. ​Dimensions (Overall): 9 Inches (H) x 9 Inches (W) x 18 Inches (D). 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.