• 【4-Layer HEPA Filtration System】Advanced 4-layer filter design with activated carbon coating and melt-blown cloth effectively captures 99.99% of dust, pollen, pet hair, and microscopic particles.

• 【Premium Eco-Friendly Materials】Constructed from environmentally safe materials with hard plastic frame and rounded corners to prevent hand injuries during installation.

• 【Enhanced Filtration Performance】HEPA-grade filtration technology provides superior air purification by trapping fine debris and allergens for cleaner indoor air quality.

• 【Easy Installation & Replacement】Simple snap-in design allows for quick and convenient filter replacement without tools, ensuring hassle-free maintenance.

• 【Long-Lasting Value Pack】Includes 4 replacement filters in one package, providing extended cleaning performance and cost-effective maintenance solution.

• 【Optimal Maintenance Schedule】Recommended replacement every 1-2 months helps prevent dust from entering the motor and extends your robot vacuum's lifespan.

Specifications:

• Filter Dimensions: 78mm x 52mm x 12mm (3.07 x 2.04 x 0.47 inch)
• Replacement Interval: 1-2 months

Compatible with:

• iRobot Roomba Plus 405 Combo
• iRobot Roomba Plus 505 Combo