Chemical substances for preserving foodstuffs; chemicals for absorbing ethylene; chemical preparations for purifying hydrogen sulphide, sulphur trioxide, hydrochloric acid, hydrofluoric acid, ammonia, volatile organic compounds, chlorine, chlorinated compounds, thiol and nitrogen oxide; mineral substances in the nature of filtering materials for preservation of food; chemical preparations in the nature of filtering materials for preservation of food; chemicals in the form of filtering materials for the storage of food; chemicals in the form of filtering materials for preservation of food; ethylene absorbing chemicals sold in a sachet or a container, for use in refrigerators, coolers and food storage areas for food preservation purposes

Air filters for domestic use in refrigerators, coolers and food storage areas for food preservation purposes; air filters for domestic use for waste gas purification, air purification, gas absorption, ethylene gas absorption, removal of gas, and removal of ethylene gas; sachets in the nature of air filters for domestic use for air purification, gas absorption, ethylene gas absorption, gas removal, and ethylene gas removal; air filters for domestic use housed in sachets for use in refrigerators, coolers and food storage areas for food preservation purposes; air filters for domestic use housed in containers for air purification, gas absorption, ethylene gas absorption, gas removal, and ethylene gas removal; air purifying apparatus and replacement parts and fittings therefor; air filtering installations and replacement parts and fittings therefor; air purifying units for domestic use and parts and replacement parts and fittings therefor; air filtering units in the nature of air purification units and replacement parts and fittings therefor; air purifying machines and replacement parts and fittings therefor; domestic air filtering machines and replacement parts and fittings therefor; gas scrubbers as parts of gas scrubbing installations