BLUEAIR Blue Signature SP3i Air Purifier for Medium Rooms up to 2,250 sq ft, HEPASilent Filtration, WiFi Smart Control, Auto Mode, Odor & Smoke Removal, Pet Hair & Dust, AHAM Verified, Table Design

Meet Blueair Blue Signature™ – the next generation of clean air innovation, Engineered to perform, designed to Impress. This powerful air purifier combines advanced 7-stage filtration with patented HEPASilent™ and OdorFence™ technologies to remove 99.97%** of airborne particles down to 0.1 microns. Using BIO-based enzymes and minerals, it breaks down gases and odors at the molecular level—delivering up to 10X* better odor removal than standard carbon filters. Engineered with Surround Boost™ airflow, Blue Signature™ doubles purification efficiency while maintaining a compact, Swedish-inspired design that also functions as a stylish side table. A motion-activated dot matrix display comes to life as you approach, providing glanceable air quality insights with real-time animations. Personalize your experience with multiple optional accessories. Easily control settings, track air quality trends, and schedule cleanings via the connected app. Night Mode and Auto Mode ensure clean air without the noise or hassle, while the quick-swap filter and easy-to-clean surfaces make maintenance a breeze. 3-year limited warranty. Designed for clean air. Built for everyday living. *Tested on Acetaldehyde gas vs. similar leading competitor filter **Tested on PM2.5 up to 90 minutes ***Compared to Blue Pure 211+
Product Dimensions ‏ : ‎ 11.7 x 11.7 x 19.3 inches; 9.5 Pounds
Item model number ‏ : ‎ 114645
Date First Available ‏ : ‎ February 27, 2026
Manufacturer ‏ : ‎ Blueair
ASIN ‏ : ‎ B0GQGHB5W7
Best Sellers Rank: #4,752 in Home & Kitchen (See Top 100 in Home & Kitchen) #19 in HEPA Filter Air Purifiers
Customer Reviews: 4.8 4.8 out of 5 stars (122) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
POWERFUL AIR PURIFIER FOR MEDIUM SPACES: Quickly cleans rooms up to 498 sq ft in just 12.5 minutes and 2,250 sq ft every hour, helping create a healthier, more comfortable environment in living rooms, bedrooms, apartments, and home offices.
ADVANCED FILTRATION FOR CLEANER, FRESHER LIVING: Blueair’s advanced 7-stage HEPASilent filtration captures 99.97%** of airborne particles down to 0.1 microns, while OdorFence Technology helps break down odors, gases, and VOCs.
WHISPER-QUIET PERFORMANCE: Operating as low as 19 dB, helping clean the air without disrupting sleep, focus, relaxation, or everyday activities.
SMARTER PURIFICATION WITH LESS EFFORT: Control fan speed, schedules, and settings from anywhere using the Blueair app, while Auto Mode intelligently adjusts purification based on changing indoor air conditions.
REAL-TIME AIR QUALITY AT A GLANCE: Built into the air outlet, the air quality indicator displays real-time pollution levels with 5 easy-to-read colors-from excellent (blue) to poor (red)- plus a subtle animation when actively cleaning.
SCANDINAVIAN DESIGN THAT ELEVATES YOUR SPACE: A modern, furniture-inspired design blends beautifully into everyday living spaces. Customize the look with interchangeable pre-filters available in a variety of colors to match your space and style.