Model compatibility ledger

Winix D360 replacement filter

Use this model page to match the purifier body label to the OEM filter SKU, compatible alternatives, sizing notes, and retailer listings before ordering.

OEM filter SKU

Filter D4

Replacement interval

Every 12 months

Annual filter estimate

$45-$95

OEM filter first

Winix D360 Filter D4 Kit

Medium room Winix D-series purifier.

Model numbers: D360
Aliases: Winix D360 True HEPA
Dimensions: Panel kit sized for the D360.

Last reviewed 2026-05-29. Match both purifier model and filter SKU because retailers often group similar cartridges together.

OEM and compatible filter comparison

OEM entries are shown first. Compatible alternatives are not manufacturer-approved unless marked OEM.

Check	OEM filter	Compatible option
Manufacturer-recommended filter	Filter D4 · Winix D360 Filter D4 Kit	Filter D4 · Winix D360 Filter D4 Kit Panel kit sized for the D360. Annual estimate: $45-$95.

Retailer options for Filter D4

Amazon

Winix D360 Filter D4 replacement

Varies by listing

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Price note: Check retailer listing for current price.
Availability note: Use the SKU and model notes here to confirm fit before checkout.
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Check retailer listing

Verify the purifier model and filter SKU on the retailer page before ordering.

Home Depot

Winix D360 filter