Aprilaire #4332 damper assembly - includes damper blade, spring and knob.? fits models 600, 500,?400;The Aprilaire 4332 humidifier damper assembly is a damper assembly kit that includes a damper blade, spring and knob;The Aprilaire 4332 damper assembly is designed for Aprilaire models 400, 500, 550, 550a, 558 and 600 humidifiers. The Aprilaire 4332 humidifier damper assembly is a damper assembly kit that includes a damper blade, spring and knob

• Aprilaire 4332 Damper Assembly
• 1 pcs
• 2

Aprilaire 4332 Damper AssemblyAPR Supply Co.