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Top Questions

Be sure to check out our extensive knowledge base with filter tips, ordering information and much more. 

Q. When will my order ship?

A. We do our very best to get all orders out as quickly as possible. If you order is shipping direct from Flanders AAF please allow 2-10 business days for your order to arrive. Custom filters have a lead time of 10 business days.

Q. How can I find my replacement filter on your site?

A. The easiest way to find your filter is to search by part number or size, we are always happy to help!

Q. Where do your filters ship from?

A. If your order is shipping direct from the manufacturer it will ship from one of the many production facilities strategically located in the US. If your order is shipping from our warehouse it will ship from Monroe, WA.


Important Note: AAF Flanders is currently experiencing production delays on orders shipping out of the Illinois plant to midwestern states. If you're located in the surrounding states your order could be impacted. We assure you they are working to get all orders out as quickly as possible and we are keeping tabs on the impacted orders. As soon as your order ships we will be sure to send tracking information.