HQRP Water Filter for Humidifier; Compatible with Aprilaire Water Filter 45 Replacement; 400, 400A, 400M Humidifiers; Dimensions: 10"x13"x1 3/4"; For optimum performance, Water Filter should be replaced every 6 months; 2 weeks DOA replacement warranty!
View full description
Item# : SPM10728530220
Model # : 887774402151822