Introducing the D Series Air Cooler by Harbin Dongan Building Sheets Co., Ltd., a premier choice in indoor cooling solutions, precisely designed to complement condensing units for various cold room applications. Our D Series is available in three meticulously crafted sub-series to cater to diverse temperature requirements, ensuring peak performance for every cooling need. 1. DL Air Cooler: Perfect for maintaining a fresh-keep environment around 0ºC, this model is ideal for preserving the freshness of produce and perishables in cold storage. 2. DD Air Cooler: Optimized for temperatures around -18ºC, the DD model is tailored for standard cold storage applications, ensuring your items remain perfectly preserved. 3. DJ Air Cooler: Specially engineered for extreme cold, with efficient cooling capability for temperatures ranging from -25ºC to -30ºC, making it the ultimate choice for blast freezer rooms, where rapid freezing is paramount. Choose the D Series Air Cooler for Reliable Cold Room Cooler for Efficient Refrigeration and Storage. Experience an unparalleled blend of innovation, efficiency, and reliability tailored to your specific cooling needs.