• Compatibility: Ideal replacement for original BORA filters in BORA Basic hobs with air recirculation type BIU, BHU, BFIU, GP4U, BIAS, BHAS and BFIAS. • Double-layer activated carbon: Effectively neutralizes and removes odors from cooking steam, ensuring a fresh and clean environment. • Improved efficiency: The double-layer system is twice as effective as traditional filters at maintaining optimal air quality. • Antibacterial filter: Effectively prevents the multiplication and spread of bacteria in the kitchen air. • Technical dimensions: The size of each filter is 340 x 123 x 42 mm. • Simple installation: Easy-to-install and replace replacement filters with high-adsorption design to remove smoke and odors. • Content: The set includes 2 activated carbon replacement filters and user manual.