Blue Air Prefilter Cloth for Pure 411 - Saffron Red Coming Soon In crossflow operation

In crossflow operation

Material: Borosilicate glassCapacity: 1

This filter is compatible with the Blue Pure 221 air purifier

This filter reduces all unwanted components such as limescale

A2O Pure: Direct Flow Water Filtration System with Aquaporin Inside® TechnologyA2O Pure is a direct flow water filtration system featuring Aquaporin Inside® technology

Blue Air Prefilter Cloth for Pure 411 - Saffron Red Coming Soon In crossflow operationAt Blueair, we go to any length to increase cleaning efficiency even if it means putting spandex on our air purifiers. The fabric pre filter catches larger particles, extending the life of the main filter. Just vacuum it or put it in your washing machine when it needs cleaning. Works With: Pure 411 Product number: 100946