HYDRO CRYSTAL

Chemically-activated cold packs for cooling the body and not for medical purposes; Components for air conditioning and cooling systems, namely, evaporative air coolers; Cooling evaporators; Evaporative air cooling units for domestic use; Humidity control device, namely, a portable container containing a moisture-sensitive silica co-polymer that absorbs or releases moisture to maintain relative humidity in a particular range; Personal cooling system comprising tubing, a coolant source and temperature controls that may be incorporated into a garment