3M Filtrete High Performance Filter (West San Jose)

Use as an inline filter for your HVAC return or in the filter box of your heater unit.
10x20x1
Ultimate Allergen 1900 performance rating

We have a new HVAC system and this new plastic sealed filter doesn’t fit our new system.

Please ensure that your system uses a 10x20x1 filter before asking. Also, if the listing says “promised” it means somebody else requested it and we’re waiting for them to pick up.