Nispira AQS 500 Premium Filter Replacement Set Compatible with Vornado Air Quality System Air Purifier, 4 Packs

Nispira Premium filter compatible with Vornado AQS 500 Air Quality System | Filter effectively captures pollen, pet dander, dust and debris and smoke particles | Suggest to replace every 6 months for optimized performance | 4 filters included. Approx Dimension: 19.5" x 9.5" x 0.75" | 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand