Excellent Value: Replacement filter set for air purifiers, effectively filters air particles for healthier living. Dimensions: ‎11.75" x 1.75" x 12.75" inches Compatibility: Compatible with Hathaspace HSP001 Smart. Not OEM; by LifeSupplyUSA. High-Quality Air Filtration: High-Efficiency Particulate Air (HEPA) design filters fine particles and irritants. Carbon extends HEPA filter life and removes larger particles. Also eliminates cooking odors and smoke for improved indoor air quality. Professional Grade: LifeSupplyUSA Air Purifier Filters are designed to be durable and efficient, ensuring maximum airflow and protecting your device. Easy Installation: Tool-free installation; simply remove and replace from your air purifier unit when needed. For best results, replace the filter every 6 months (depending on air quality and usage). Replacement air purifier filter by LifeSupplyUSA, designed to help maintain cleaner indoor air. Sealed for freshness and durability, this filter provides high-quality filtration to improve air quality in your home or office.