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The Aprilaire Blue Orifice #4232 is the nylon component which accurately meters the flow of water into your humidifier. This tiny part allows a specific amount of water to go into the humidifier unique to your model. Compatible Models 350 360 440 700, 700A, 700M 760, 760A 768
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🇺🇸 Ship from USA · On Agora since 2026
$8.79