[Compatibility]: Our 5443 replacement filter (for MERV 8) compatible with FOR Whole-House Dehumidifiers models: 1830, 1830CS, 1830W, 1830Z, 1850, 1850CS, 1850D, 1850W, 1850Z, 1852, 1852Z, 8191, 8192. NOT COMPATIBLE WITH DEHUMIDIFIER MODEL 1850F [Easy Replacement]: Easy to install and replace, it effectively improves indoor air quality, helping to maintain a healthy environment [Application Scenarios]: Suitable for system at homes, offices, and any environment where is needed, it enhances air circulation performance [Filter Lifespan]: To maintain optimal filtration, it is recommended to check your filter every 6 months for optimum operating efficiency. Please note: the physical slightly color difference or difference, does not affect use, please do not mind, thank you! Color: As Shown Material: Metal Package Contents: 2 x 5443 Dehumidifier Filter Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.