Product Information
- COMPATIBLE WITH BLUE PURE 311 AUTO: Genuine Blueair Replacement Pre-filter in Night Waves (navy) color for Blue Pure 311 Auto air purifiers
- FILTER LIFE EXTENSION: Colorful fabric pre-filter extends the life of the primary filter, catching large particles such as dust, lint, pollen and pet hair
- CLEAN WITH EASE: Vacuum the exterior of the fabric pre-filter to remove visible dust and dirt as often as you'd like and as-needed based on indoor air conditions
- DESIGNED FOR REUSE: When the pre-filter requires a deeper clean, wash on a gentle, low-temperature cycle in the washing machine
- DISGUISES CORDS: A hidden compartment in the fabric pre-filter keeps the air purifier's power cord hidden out of sight
- CUSTOMIZE WITH COLORS: Available in five pre-filter colors inspired by natural Scandinavian landscapes; Arctic Trail (gray), Winter Reed (light gray), Archipelago Sand (pink), Aurora Light (green), and Night Waves (navy)
