Filters, heaters and pumps sold in combination for use in swimming pools; Filters, heaters and pumps sold in combination for use in swimming pools or hot tubs; Swimming pool water cleaning and filtering units; Filters for swimming pools; Swimming pool filters

Access control and alarm monitoring systems; Radiation-measuring instruments; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Measuring apparatus for temperature and humidity levels in gases and solid substances; Radon detectors; Alarms for the detection of inflammable gases; Gas detectors for detecting the presence of gas