Swift Green Filters SGF-10MS Replacement for 3M HF10-MS
It has 50% more micro-pores for capturing contaminants. Change filter frequency: every 4-6 months. [ AWARD WINNING SWIFT GREEN FILTERS ]. All Swift Green Filters are proudly manufactured in the USA. Produced using coconut carbon which contains 50% more micro-pores for reducing contaminants compared to traditional carbon filters sources.