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Aprilaire Humidifier Maintenance Kit for Models: 550 & 558 (4218/4217/10)
Item # PCK550
$39.95
MSRP: $48.00
Availability: In Stock!
Qty
Aprilaire OEM Maintenance Kit for model 550 & 558. Also fits Lennox Model: WB2-12, WB212. Kit includes: Water Distribution Tray 4218, Scale Control Insert 4217 & Water Panel #10. (4218/4217/10)
This Product fits the following Models:
Aprilaire: 550.
MPN: 4218 4217 #35

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