1 X 4231 - OEM Replacement Humidifier Yellow Water Orifice by Aprilaire is ranked 7th in furnace humidifiers based on our comprehensive analysis.
Reviewed by more than 10 consumers, more than 100% of the reviews about this Aprilaire multi tester had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended multi tester and furnace humidifier.
$9.50 (as of 18/12/2017 23:04 PST details )Features: