Permatron activated carbon filters, package of 4 filters. One year supply, replace 4 times a year.
Designed specifically for the White-Rodgers or Electro-Air 16 x 21 air cleaner. Each filter measures 16 x 21 x 5/16". These carbon filters are for all SST1000, SST10, 10C26S-xxx, 10C27S-xxx.
These filters are the full size of the air cleaner same as the original White-Rodgers filters but do not require the clips. One permatron carbon filter replaces anÂ F825-0466Â carbon filter.
These Permatron carbon filters simply side right in.