AlorAir dehumidifiers help reduce excess moisture and protect your home. Choosing an ENERGY STAR dehumidifier can deliver savings on energy bills without sacrificing performance, features, and comfort while protecting the environment by reducing greenhouse gas emissions. Although this commercial-grade dehumidifier is quite compact, it doesn't sacrifice water removal capability, removing up to 120 pints of water from the air per day (55 Pints/Day @ AHAM), is very quick and effective, and works up to 1,300 square feet, it's very convenient to use. Optional MERV-1 Filter: The high- dense MERV-1 filter protects internal components from the damage of dust. Please replace the filter once per 3-6 months.It is much smaller and more compact than the conventional Crawl Space Basement dehumidifiers on the market. ALORAIR dehumidifier HD55S is perfect for low-clearance crawl spaces and tight basement areas or to fit in between floor joists. Specifications Capacity 120 PPD at Saturation, 55PPD@AHAM Size For 1300 sq. ft. Supper COP 2.4 L/Kwh Air flow 130 CFM, 230CMH Draining Gravity Draining Functioning Temperature Range 33.8-104F Functioning Humidity Range 36%-90% Filter Type MERV-8 Filter Dim(L x W x H) 19.2X12.2X13.3 in Weight 41.70 lbs (18.9 kg) Refrigerant R32