The 2-PK Filtrete A/D/H HEPA Allergen Reduction Air Purifier Filter is specifically designed for use in air purifiers, providing efficient filtration to improve indoor air quality. With a filter life of 6 months, this HEPA filter effectively captures airborne particles to reduce allergens and pollutants. Suitable for both Honeywell and Holmes models, this filter pack includes two filters to ensure continuous clean air circulation in your home for an extended period of time. Made with HEPA-type filtration technology, this product is a reliable option for maintaining a healthier environment.