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About Humidifier HQ — how we verify

Humidifier HQ answers one question completely: which wick, filter or water panel fits this humidifier, what else fits, and what it costs, shipped, today?

Rules this site is built on

• Nothing is invented. Every part number, fitment, dimension and price on this site was read on a manufacturer or retailer page during the 2026-11-11 research pass, and each part record lists its source URLs.
• The lowest verified price is the headline — even when the cheapest seller pays this site nothing. Amazon is the buy button because it is our affiliate route, but it never gets a "best price" label it didn't earn, and no cheaper price is buried.
• Amazon prices are never quoted. Amazon blocks automated price reads. Part pages link to Amazon (tagged link; a direct product link only where a listing was verified) and show Amazon's price as "see Amazon".
• Prices say what shipping does. Each price shows the store, the pack size, the shipping terms (including free-shipping thresholds) and the checked date. Where a shipped total can't be stated honestly, the item price and the shipping terms are printed instead of a made-up total.
• "No filter" is an answer. Popular models with no replaceable wick or filter (Dyson AM10, Levoit ultrasonics, Crane Drop, Hunter PermaWick models) are in the dataset as explicit no-part records, so nobody is sold a filter that doesn't exist.
• Unverified means labeled unverified. Where a genuine price or fit list could not be confirmed, the record says so instead of guessing.

Money

The site earns an affiliate commission only when a purchase goes through its Amazon links. Comparison prices from other stores are published because accuracy is the asset; they pay nothing today.

Contact / corrections

Fitment wrong? The part records carry their sources — if a manufacturer list disagrees with ours, the manufacturer wins and we'll fix the record on the next sweep.