How much do your filters cost? Boostopia August 21, 2019 17:08 Updated Follow Filters start at $12, but prices vary by the grade and quantity of filters you need for your home. For an exact quote, go to our Home Page and click Start Free Trial. Related articles How much is shipping? Can I cancel at any time? How does Second Nature (formerly FilterEasy) work? Will I be charged tax? How does Second Nature charge me? Comments 0 comments Article is closed for comments.