Our experts are
ready to assist you.
Easy exchanges on wrong sizes, easy refunds, expert sizing, and fast shipping. Real people — answering in minutes, not days.
How can we help?
Pick the path that matches your issue — most answers arrive within the hour.
Replacement or wrong size
Damaged filter, incorrect filter, wrong size, or wrong MERV ordered? We can help get this replaced ASAP — share a photo and a few details and we will take it from there.
Request replacementTrack my order
Look up your order status by order number — see your tracking number and estimated delivery. ETA lookups, reroutes, and shipment rescues, in minutes.
Track orderSizing & MERV help
Not sure what fits or which MERV is right? Send a photo of your current filter or its label, the dimensions, your unit model, or your MERV preference — our sizing team replies in under an hour.
Find my sizeNeed a refund?
We understand sometimes things do not go as planned. If you need a refund, we are here to make the process simple and stress-free. Start your request and we will take care of the rest.
Start a refund
*Free shipping excludes Hawaii, Alaska, PO Boxes.
Filter King ships from 4 U.S. facilities — straight to your door.
Fast shipping across the U.S.
Shipped from 4 U.S. manufacturing facilities. Enter your ZIP code for an estimated delivery window.
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Trusted by commercial operators
Property managers, facilities teams, and filter resellers keep us on speed-dial.
“Their sizing team pulled us out of a jam on a Friday afternoon. Replacement filters landed at our facility Monday morning.”
Joe MarchantOperations Manager · Joe Filter“Chadwell Supply moves thousands of units a month — Filter King is the rare vendor that ships what we ordered, on time, every time.”
Miranda BoydProcurement Lead · Chadwell Supply“Commercial accounts live or die on responsiveness. Our rep answers within the hour and escalations never slip through cracks.”
Derrick HollinsFacilities Director · Alabama Industrial
Answers to common questions
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Need a commercial account or bulk pricing?
A dedicated account executive will set you up with the right terms, custom sizes, and auto replenishment for your operation.
- Dedicated account executive
- Net 30 / 60 / 90 terms
- Custom-size production
- Auto replenishment
Talk to a human, right now
Three ways to reach us — every channel is staffed by our Miami support team.