Carrier ductless filter upgrade for the following Wall Mounted Mini-Split Units:
40MAQB09B 102, 40MAQB09B 131, 40MAQB09B 302, 40MAQB09B 321, 40MAQB09B 331, 0MAQB09N 121, 40MAQB12B 102, 40MAQB12B 121 , 40MAQB12B 131, 40MAQB12B 302, 0MAQB12B 321, 40MAQB12B 331, 40MKCB18B 301, 40MKCB22B 301, 40MKCB28B 301, 0MKCB32B 301, 40MKQB24B 301, 40MKQB28B 301
Maintenance - Vacuum every two weeks & wash with mild detergent - allow the filter to dry completely before re-installing.
REPLACE every 2 to 3 years, depending on diligent cleaning & the environment.
Two Filters ship with this order.