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Holmes HWF100 Filter (Type E)

OEM part number(s): HWF100, HWF-100, Type E · Made by Holmes (also Sunbeam / Bionaire fitments) · Evaporative wick / filter

Lowest verified price: $29.95 — aftermarket, 6-pack ($4.99 per filter) at DiscountFilters. Free shipping on orders $70+ at DiscountFilters; a fee applies below that. Checked 2026-11-11.
Buy on Amazon — HWF100Amazon search for the exact part number (no single listing is endorsed). Amazon price is shown on Amazon; we do not quote it here.

Verified prices (checked 2026-11-11)

OptionPriceStore & shipping
Aftermarket
6-pack ($4.99 per filter)
$29.95DiscountFilters
Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source
Also checked
12-pack
$48.95DiscountFilters
Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source

How to read this: the lowest verified price above is the headline even when it is not Amazon. Amazon is the buy button because it is this site's affiliate route; its price is not quoted because Amazon blocks automated price reads.

Exact fit — models that take this part

The HWF100 (Type E) is the large-console Holmes/Sunbeam/Bionaire wick. Retailer fitment lists for this number are published by filter type rather than a clean model list; match the HWF100 / Type E marking on your old filter before ordering.

How many per change: One filter per change on most models.

Specifications

Replacement intervalReplace every 1–2 months in season (general Holmes wick guidance).

Equivalents and cross-references

BrandPart numberNote
BestAirH100BestAir equivalent
DiscountFilters (AIRx)HWF100 replacementSold in 6/12-packs

Sources

Full record, including descriptor data for every model, is in the open dataset: /data/parts.json.