General description 5Set for 2 CPAP Reusable Pollen Filter and Disposable Ultra-Fine Filters is designed specifically for CPAP machines, providing effective air filtration. This set includes both disposable and reusable filters to ensure optimal performance and cleanliness. Technical specifications Type: Disposable Filters + Reusable Filters Material: Plastic + Filter Cotton Package Contents: 5 x Disposable Filters, 5 x Reusable Filters Measurement allowed error: +/- 1-3 cm