... type of high temperature, fin space 4.5mm, is applicable for cold storage above 0 ºC, keeping fresh food such as ... 6.0mm, for cold storage around -18 ºC to 0ºC, keeping food such as meat and aquatic products; ... , fin space 9.0mm, for -25ºC to 0ºC cold storage, used for freezing fresh meat and ... discharge tube some angle against outside to discharge water. 4.Keep the wind inlet far away from the wall ...