Is Honeywell HWM705 Filter Free Warm Mist Humidifier HSA or FSA Eligible?
Yes — Honeywell HWM705 Filter Free Warm Mist Humidifier is HSA and FSA eligible when accompanied by a Letter of Medical Necessity (LMN) from a licensed healthcare provider.
Eligibility status
HSA
With LMN
FSA
With LMN
LMN required
Yes
Last verified May 2026
Honeywell
Honeywell HWM705 Filter Free Warm Mist Humidifier
Filter-free warm mist humidifier covering up to 400 sq ft — kills up to 99.9% of bacteria in water.
$45
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Why this eligibility status?
Humidifiers for respiratory conditions like sinusitis, asthma, or croup may qualify with a Letter of Medical Necessity under IRS Publication 502.
The full list of qualified medical expenses is defined in IRS Publication 502, updated annually. The CARES Act of 2020 expanded eligibility to include all OTC medicines and menstrual care products.
How to use HSA/FSA for this product
- Schedule an appointment with your doctor and discuss the medical condition you need to manage.
- Request a Letter of Medical Necessity (LMN) citing Honeywell HWM705 Filter Free Warm Mist Humidifier by name.
- Purchase the product with your HSA/FSA debit card, or pay out of pocket.
- Submit your receipt + LMN through your plan administrator's portal.
- Save the documentation for at least 7 years for IRS records.
Letter of Medical Necessity required
Use our free template. Your doctor can sign it in 5 minutes.
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Frequently asked
Sources & last update
- IRS Publication 502 — Medical and Dental Expenses
- FSA Store Eligibility List
- CARES Act of 2020 — OTC Drug Expansion
Last updated: May 2026