DEFENDER BY SCHAEFER

Air purifying apparatus and machines; air sterilizers; air exchangers for cleaning and purifying air; air cleaning units; ionization apparatus for the treatment of air; air purifiers; air purifying units for commercial and domestic use; portable evaporative air coolers; portable evaporative air coolers featuring ionizers for the treatment of air; ventilating fans for industrial use; ventilating fans for commercial use; fixed circulation fans used to regulate and circulate air in a space; portable electric circulation fans; fixed ventilation fans used to regulate and ventilate air in a space; portable electric fans; confined space ventilators for industrial, commercial and domestic use