About This

• 【Compatibility model】 Attemart 311i plus max replacement filter is ONLY perfect compatile with Blueair Blue Pure 311i+ Max Air Purifier, compare to part # F3MAX+. ❌ do not fit for 311i max, 211+, 211+ Auto, 411i max, 411a max,511, 311, 311i+, so please confirm the model of your air purifier before purchasing.
• 【Premium quality】 The 311i+ max air filter is made of quality non-woven fabric, can greatly improve the performance of your air purifier. The filter adopt with advanced lower energy consumption and lower density structure technology to ensure maximum filtration, helps you solve the problem of unpleasant around home.
• 【Multistage Filtration Filter】 The air filter including 2-stage filtration system: carbon filter + H13 true filter. Carbon filter physically help solve unwanted household smell. True Filter with h13 efficiency to solve 99.97% hair, pet daden and a variety of particles effectively.
• 【Easy to install】 The size of the filter is 12.99 x 12.2 in/ 33 x 31 cm, perfect fit for blueair 311i+ max air purifier. It is also easy to install or replace without any tools. Simply take out and replace from your machine unit when needed. It is not washable and not resuable! recommend to replace every 3-6 months for optimal filtration performance, usually depends on your using frenquency.
• 【Package contains】 This is a 2 pack replacement set, so you will get 2 pieces 311i+ max filter. These filter replacement part for Blueair air purifier can meet your needs for half a year. If you have any problem with the product or services, please feel free to contact with us.

Overview

• Brand : Attemart
• Material : Cotton
• Product Dimensions : 17"L x 5"W x 13"Th
• Compatible Devices : Air Purifier
• Item Weight : 1.28 Kilograms
• Number of Items : 2
• Manufacturer : Attemart
• Product Grade : new
• Unit Count : 1.0 Count