2nd Stage Pre-filter (30%) (DefendAir EX / Hepa 500) (12 pk)

Renew your DefendAir airscrubbers

Regular filter replacement ensures maximum efficiency and helps to prevent cross contamination. Sturdy, high capacity filters effectively captures airborne particles; won’t “blow out” under heavy use.

Synthetic fiber filter media rated at 30% efficiency. Captures larger particles to help extend the life of the HEPA filter.