The GadAbout Blaster Series of mobile evaporative coolers has three models: the M300, M335, and M482. This series can be used for spot cooling in exterior and interior applications. The M300 provides 3,000 cfm. It is 39-5/8 inches high by 31-1/2 inches wide by 21 inches deep, and fits through standard-sized doors, says the company. The M335 model measures 41-1/8 inches high by 29 inches wide by 29 inches deep and provides air delivery of 3,500 cfm. The M482 measures 48-1/2 inches high, by 34 inches wide by 34 inches deep and provides 4,500 cfm of cooling. All models feature four swivel casters for transportation. Other features include a large water reservoir, an external fill connector to make the unit adaptable to a water connection kit or garden hose for automatic fill, a recessed grille with four-way directional air control, and an externally located sump drain, the company says.

Essick Air Products Inc., 5800 Murray St., Little Rock, AR 72205; 501-562-1094; 501-562-9485 (fax); www.essickair.com.