Replacement Prefilter/Carbon Combo 6-pack for Pure Air Systems HPS 500
- Compatible with Pure Air Systems HPS 500 Portable Air Filtration Systems.
- Replacement Pre-Filters catch large particulates and protect HEPA elements.
- These are not your run-of-the-mill hardware store filter elements.
- Constructed of Polyester and do not contain fiberglass.
- These Polyester Ring Panel Prefilters contain Carbon Media to absorb odors.
- Pre-Filters should be replaced based on system usage and environment.