Shark Air Purifier 4 1000sqf Anti-Allergen $400

Updated September 5, 2026

Condition: NEW SEALED MSRP: $400 Shark - Air Purifier 4 with Anti-Allergen Multi-Filter & Advanced Odor Lock, 1,000 sq. ft - Charcoal Gray 4-FAN AIRFLOW: 4 high-speed micro-fans work together to evenly distribute airflow across the filter. ULTRA-FAST MEETS ULTRA-QUIET: Four high-speed fans provide a remarkably quiet clean, and an incredibly fast clean air delivery rate. TRACKS & ADJUSTS AUTOMATICALLY: Clean Sense IQ™ tracks air quality and auto-adjusts power to constantly maintain clean air in your home. The easy-to-use control panel displays data in real time. ANTI-ALLERGEN HEPA MULTI-FILTER: Shark's Anti-Allergen Multi-Filter captures 99.97% of dust, dander, allergens, smoke, and household odors. HEIGHTENED ODOR PROTECTION: An advanced odor guard on the filter protects against household odors from cooking, cleaning products, and more. ALL-DAY CLEAN AIR CONFIDENCE: Shark's revolutionary 4-fan technology combines with a real-time feedback display to give you clarity and confidence in the air you breathe. LARGE CLEANING AREA: 4 fans working together generate the power to purify up to 1,000 square feet, REMOTE CONTROL INCLUDED: An easy-to-use remote gives you complete control from up to 15'. Based on HEPA filtration standards of 99.97% filtration, down to 0.3 microns. Based on one air change per hour. ULTRA-FAST MEETS ULTRA-QUIET: Four high-speed fans provide a remarkably quiet clean, and an incredibly fast clean air delivery rate. TRACKS & ADJUSTS AUTOMATICALLY: Clean Sense IQ™ tracks air quality and auto-adjusts power to constantly maintain clean air in your home. The easy-to-use control panel displays data in real time. ANTI-ALLERGEN HEPA MULTI-FILTER: Shark's Anti-Allergen Multi-Filter captures 99.97% of dust, dander, allergens, smoke, and household odors. HEIGHTENED ODOR PROTECTION: An advanced odor guard on the filter protects against household odors from cooking, cleaning products, and more. ALL-DAY CLEAN AIR CONFIDENCE: Shark's revolutionary 4-fan technology combines with a real-time feedback display to give you clarity and confidence in the air you breathe. LARGE CLEANING AREA: 4 fans working together generate the power to purify up to 1,000 square feet, REMOTE CONTROL INCLUDED: An easy-to-use remote gives you complete control from up to 15'. Based on HEPA filtration standards of 99.97% filtration, down to 0.3 microns. Based on one air change per hour.

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