AIR FILTERS FOR INDUSTRIAL OR DOMESTIC USES AND INDUSTRIAL AND DOMESTIC AIR FILTER INSTALLATIONS COMPRISED OF AIR FILTERS, AIR FILTER HOLDING FRAMES, AIR FILTER HOUSINGS, AND CLEAN ROOMS; AND ENVIRONMENTALLY CONTROLLED ENCLOSURES FOR PROVIDING TEMPERATURE, HUMIDITY AND CONTAMINATION CONTROL, NAMELY, TRANSFER CARTS, ISOLATORS, AND GLOVE BOXES; AIR CLEANING HOUSINGS, NAMELY, HOUSINGS CONTAINING AIR HANDLING UNITS IN THE NATURE OF AIR CONDITIONING UNITS, HOT AIR BLOWERS, AIR FILTRATION UNITS AND/OR AIR SCRUBBER UNITS; AIR FILTERS FOR INDUSTRIAL AND DOMESTIC INSTALLATIONS