Swimming pool skimmer flow diverting weir for increasing the amount of debris drawn into the skimmer; Swimming pool heaters; Swimming pool drain covers; Pool skimmer diverter; Installations for heating swimming pools; Filters for swimming pools; Swimming pool filters; Solar-powered heaters for use in swimming pools; Heaters for swimming pools; Filters, heaters and pumps sold in combination for use in swimming pools; Swimming pool chlorinating apparatus; Swimming pool water cleaning and filter...