Tenergy H13 Grade Hepa Replacement Filter for Tenergy Renair Air Purifier, Single Filter

Advanced 3-step filtration - Cleans the air with preliminary pre-filter, True HEPA filter, and activated carbon filter | Official replacement for Tenergy Renair air purifier . | Tenergy's H13 grade filter traps 99.97% of airborne particles. | It's recommended to replace this filter every 6 months or sooner based on frequency of usage.