The Honeywell model POPUP1625 is a replacement air filter that folds down for easy storage and expands easily for use. Just open the package, pop open, and the filter is ready to use. The POPUP1625 air filter has a MERV 11 rating and also meets American Lung Association® Health House® guidelines. The POPUP1625 is a universal replacement filter media for Honeywell 16 x 25 whole house air cleaners.  

The size of the POPUP1625 air filter when expanded is approximately 16" x 25" x 4 1/2". You can fit a 5 pack of POPUP1625 popup air filters in the same storage space as one 16" x 25" x 4-1/2" OEM replacement filter.

Honeywell recommends the replacement of the air filter media every six months, before heating season and before cooling season. Adjust the schedule to your needs, but at least replace the filter annually. Regular replacement of the air filter will maximize the efficiency of your heating and cooling system.

For instructions on how to change your air cleaner filter and reset the indicator, please refer to your units Owner’s Guide.