MERV-1 Filter for Sandidry Pro35C/Sandidry Pro55C: Specifically designed to be compatible with the Pro35C/Sandidry Pro55C Commercial Dehumidifier, ensuring a perfect fit and reliable air filtration High-Efficiency MERV-1 Filtration: The MERV-1 filter efficiently captures a majority of larger dust particles, providing cleaner air and protecting your machine's inner components from congestion caused by impurities from the outside air Regular Maintenancer for Optimal Performance: Replace the MERV-1 filters every 3-6 months to keep your commercial dehumidifier operating effectively and providing cleaner air 100% Same as Original: The MERV-1 filter replacement set are designed to perform just as effectively as the original filters, delivering consistent air filtration results Effortless Installation: Replace the filters with ease using the provided step-by-step instructions for quick and hassle-free installation. Dimensions: 9.44 × 9.84 × 0.39 inches Product Description