Nu-Calgon Humidi-PRO humidifier treatment - $15 (Indy (southside))

Nu-Calgon Humidi-PRO humidifier treatment 1 thumbnail

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condition: new

make / manufacturer: Nu-Calgon

model name / number: 4190-02

size / dimensions: 2"D x 6"W x 2"H

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New in original sealed wrapper, Humidi-PRO humidifier treatment (model 4190-02) with (qty=2) 1/4 inch compression fittings. This is a single in-line cartridge for 25 gallon/day humidifiers. My new HVAC system does not have this feature.

post id: 7897341293

posted: 2025-11-21 08:58

updated: 2026-04-21 08:08

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Nu-Calgon Humidi-PRO humidifier treatment - household items - by...

New in original sealed wrapper, Humidi-PRO humidifier treatment (model 4190-02) with (qty=2) 1/4 inch compression fittings. This is a single in-line cartridge for 25 gallon/day humidifiers. My new...