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Hunter 31954 Demineralization Cartridge

OEM part number(s): 31954 · Made by Hunter Fan · Demineralization cartridge

Lowest verified price: none captured yet — see the notes below. The Amazon button below is the current buy route.
Buy on Amazon — 31954Amazon 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 Amazon price is shown on Amazon; we do not quote it here.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

No verified in-stock retail price was captured on 2026-11-11; Hunter humidifiers are a discontinued line and cartridges sell mainly through parts retailers and Amazon.

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

Hunter 31006, Hunter 31206, Hunter 31207, Hunter 35216

How many per change: One cartridge per month.

Specifications

Replacement intervalReplace 1 per month (Hunter owner's manuals for models 31006, 31206/31207, 33116/33118).
TreatmentDemineralization cartridge for Hunter evaporative and ultrasonic models (Hunter manual treatment tables).

Equivalents and cross-references

BrandPart numberNote
Hunter31955Related Hunter cartridge: 31955 is the silver-ion / cleaning cartridge, replaced on the same monthly schedule (Hunter manuals)

Sources

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