Vicks · humidifier · portable evaporative

Vicks V3500 replacement filter

Use part WF2. Interval not published by the maker.

The filter that fits

From the maker's archived page

Vicks WF2 Protec Wicking Filter

Protec Replacement Wicking Filter

Part number: WF2
How many: 1 per unit
How often: Interval not published by the maker

Vicks does not say how many filters this model takes; one is assumed here, so check the old filter before ordering.

Buy WF2 Protec Wicking Filter on Amazon Manufacturer page

Opens an Amazon search for Vicks WF2 Protec Wicking Filter. Check the listing says WF2.

See the sources

Look-alike models that take a different filter

Vicks warm-mist models such as the V745 and V750 need no filter, and the filter-free ultrasonic models take none.

Sources

Medium confidence: from an archived manufacturer page, a licensed brand store, or a live manufacturer page that names a sibling variant rather than this exact model. Each line is the page we read and the day we read it.

Which filter fits vickshumidifiers.com Maker's own page checked Oct 1, 2026
Kaz USA Vicks page (live page returns 403; read via archive.org snapshot 2025-10-10): 'SKU: WF2 For Use In Vicks Models: V3500, V3100, V3600, V3900, V3700 and VEV320'
How often vickshumidifiers.com Maker's own page checked Oct 1, 2026
Archive snapshot 2026-01-28: 'The frequency in which the filter should be changed depends on the water in your area and how often you use your humidifier. If you notice a change in color or a slight odor ... change the filter.'
What's in it web.archive.org Maker's archived page checked Oct 1, 2026
'The Protec Replacement Wicking Filter is antimicrobially treated to prevent the growth of mold and bacteria.'

Show all 9 sources

Which filter fits

vickshumidifiers.com Maker's own page checked Oct 1, 2026
Kaz USA Vicks page (live page returns 403; read via archive.org snapshot 2025-10-10): 'SKU: WF2 For Use In Vicks Models: V3500, V3100, V3600, V3900, V3700 and VEV320'
web.archive.org Maker's archived page checked Oct 1, 2026
Kaz Vicks WF2 page (live site returns 403; archive.org snapshot 2025-10-10): 'SKU: WF2 For Use In Vicks® Models: V3500, V3100, V3600, V3900, V3700 and VEV320'
web.archive.org Maker's archived page checked Oct 1, 2026
Archive.org snapshot 2025-10-10: 'Protec Replacement Wicking Filter ... SKU: WF2'
web.archive.org Maker's archived page checked Oct 1, 2026
Vicks filters and accessories page (archive.org snapshot 2026-01-02): 'For use with Vicks models V3700 Series, V3900, and VEV400, as well as Sunbeam 1118 Series and Honeywell HCM-350 Series.'
web.archive.org Maker's archived page checked Oct 1, 2026
Model's own page (Starry Night Filtered Cool Moisture Humidifier, SKU: V3700; archive.org 2025-10-10): 'the filter removes minerals ... water is absorbed into a porous wicking filter'
web.archive.org Maker's archived page checked Oct 1, 2026
Model's own page (Cool Moisture Filtered Humidifier with UV Technology, SKU: V3900; archive.org 2025-10-10): 'The wicking filter captures and removes minerals and impurities from the water.'
web.archive.org Maker's archived page checked Oct 1, 2026
Model's own page (CoolMoisture Filtered Humidifier, SKU: VEV400; archive.org 2025-10-10): 'it includes a wicking filter that helps remove minerals and physical impurities from water'

How often

vickshumidifiers.com Maker's own page checked Oct 1, 2026
Archive snapshot 2026-01-28: 'The frequency in which the filter should be changed depends on the water in your area and how often you use your humidifier. If you notice a change in color or a slight odor ... change the filter.'

What's in it

web.archive.org Maker's archived page checked Oct 1, 2026
'The Protec Replacement Wicking Filter is antimicrobially treated to prevent the growth of mold and bacteria.'