This Whole-House Media Air cleaner was designed to fit Ruud central heating systems.
|Product Line||Replacement Filters for Ruud|
|Nominal Dimensions||21 x 21 x 4|
|Actual Dimensions||20¾ x 20¾ x 4⅜|
|Each Filter is Usually Good For||1 Year|
|Days to Ship (worst case)||5|