Vital 100 Replacement Filter Compatible for LEVOIT, 3-in-1 Pre, H13 High-Efficiency Activated Carbon Filtration System, Replace Part # Vital 100-RF, Pack of 2

useful filters, easy to use, easy to install, lasts a relatively long time

I appreciate being able to get other filters for my sir purifiors.

Easy to installl

EXCELLENT

I like it because pick up lots off dust.