Identify the family and model of your air purifier so we can show you all available filter options.
Pick the replacement filter that fits your needs from our selection of particle and carbon filters.
Select the date you'd like your first replacement filter shipment to arrive at your doorstep.
Subscribers get a 15% discount on replacement filters, always free shipping¹, and automatic delivery every six months - right when it's time to replace.
Start saving 15% + free shipping on all new filters
¹A flat shipping rate of $25.00 will be charged on filter shipments to Alaska and Hawaii. Additional charges may apply for shipments over 30 lbs.
²The Blue by Blueair family of air purifiers (Blue Pure 411, 411+, 211, 211+, 121, Fan) are eligible for a maximum of up to two years extended warranty coverage. Use of warranty benefits requires a subscription period of at least one year. A minimum of one filter purchase per year is required to remain an active subscriber. See the Limited Warranty for product specific warranty information.