BLUEAIR Genuine Filter for Blue Pure 211i Max Air Purifier Power Strips Their ergonomic design helps minimize

Their ergonomic design helps minimize strain

Reversible Privacy Lock with Anti-Lock Out Screw for Child Safe Mode and Home Defense

Measuring 3 3/4" x 3 3/4"

as we adopted custom materials and special workmanship

Brand: BAKON

BLUEAIR Genuine Filter for Blue Pure 211i Max Air Purifier Power Strips Their ergonomic design helps minimizeBrand: BLUEAIR Color: White Features: BLUEAIR GENUINE FILTER: For Blue Pure 211i Max air purifier; Blueair genuine Blue Pure F2MAX Replacement filter for 211i Max is designed for optimal performance; Not compatible with 211 plus and 211 plus Auto LETS CLEAR THE AIR SMARTER: Get more out of your filter; Our proprietary RealTrack algorithm calculates filter lifetime based on actual usage and pollution levels and tells you when to replace within 9