Filtrete 800 Micro Particle Reduction 14x30x1 4 Pack
A dirty filter will slow down air flow and make the system work harder to keep you warm or cool–wasting energy. Sign-up for a filter change reminder program that works for you!
Shark Clean Sense IQ Air Purifier 500 sq ft – HP100 Black NO Filter
Tested – Seems to work great. See video and photos for details. Clean unit.