have 3 fedders TRION "forever filter" air cleaners model no TTE1502A-B. on 2 of the units, on the cell assembly model no E19320 442415-003 several of the very thin wires running from side to side have broken rendering the unit unoperable. how can i get replacement cells for my units? looking forward to receiving your response and getting my units up and running again. thanks for your attention to my request. gary s thompson, gst2go@gmail.com