What grades of filters do you offer? Boostopia December 02, 2022 16:45 Updated Follow Our filters are offered in three grades: Essential (MERV 8) Essential+ (MERV 10) Health Shield (MERV 13) CLICK HERE FOR MORE DETAILS Related articles How do your filters compare to my current filters? How do I contact Second Nature? How much do your filters cost? Does Second Nature supply refills for electronic (powered) filters? What is MERV? Is It the same as MPR and FPR? Comments 0 comments Article is closed for comments.
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