Affiliate Disclosure

Some links on WhichFilterFits may be affiliate links. If you buy through one, we may earn a commission at no extra cost to you.

Current status: we haven't joined any affiliate programs yet. Every link on the site today is a plain link with no tracking. If we join a program later, links that earn us a commission will be labeled "Affiliate" next to the link.

Programs we may join include Filterbuy, Amazon Associates, and filter brands' own programs. When we join Amazon Associates, this page will include the statement Amazon requires: "As an Amazon Associate I earn from qualifying purchases."

What commissions don't change:

• Which filters we say fit. That comes from manufacturer documents.
• Whether we call something certified. That comes from NSF's listings, or we mark it pending.
• Whether we list a cheaper generic. If its claims hold up, we list it, even when it pays us less or nothing.

Questions? Contact us.