FLEX-4 REPLACEMENT HONEYWELL FILTER
Patented FlexFilter Flex-4 is compact, easy-to-assemble, and replaces Flex-4 replaces Honeywell, Carrier and Bryant media air filters.
4″ REPLACEMENT CARTRIDGE AIR FILTERS
MERV 8, MERV 11 and MERV 13 4" Replacement Filters for Field Controls Healthy Home System Trio Air Purifiers
4-3/8″ HONEYWELL REPLACEMENT AIR FILTERS
MERV 11 Replacement Media Air Filters for Honeywell Air Filters