The Portacool PARCVRJ25000 Protective Cover keeps your Portacool portable evaporative cooler clean, protected and dust-free when not in use. This economical and effective cover is made from durable black vinyl. The low-profile design is compatible with Portacool PACJS2501A1 Jetstream 250 Portable Evaporative Coolers. Portacool entered the marketplace in 1990 offering the first version of an evaporative cooler designed to provide economical, effective cooling where ever it was needed. More than twenty-five years later, the company's consistent growth rate and continued expansion in product lines has positioned it as a global leader in the portable evaporative cooling business. Portacool — When Comfort Counts.