Introducing the exquisite D series air cooler, an exceptional indoor cooling marvel that seamlessly integrates with condensing units to cater to all types of cold rooms. This remarkable series is thoughtfully designed to meet diverse temperature requirements and is available in three superb sub-series: DL, DD, and DJ. The DL air cooler is perfect for maintaining freshness at approximately 0ºC, making it an ideal choice for fresh-keeping cold storage. Meanwhile, the DD model shines at around -18ºC, expertly preserving the integrity of general cold storage spaces. For those requiring the pinnacle of cold, the DJ variant operates at temperatures below -25ºC to -30ºC, especially crafted for the vigorous demands of blast freezer rooms.