Westinghouse Air Purifier True HEPA Filter Replacement Compatible with 1804 Model (Set of 4)

Description

All Westinghouse 1804 HEPA air filter replacements can be used up to 3,000 hours of operation; an indicator light on the unit will let you know when it’s time to replace; An indicator on the unit notifies you if the filter needs to be changed and also when you’ve installed the filter incorrectly