scientific apparatus and instruments, namely, electronic-based instruments for measuring environmental parameters including water quality, electrical conductivity of water, and dissolved gasses level in water; scientific apparatus and instruments, namely, pH meters for measuring level of pH-value in water for heating and cooling installations

Water treatment and distribution apparatus and installations, namely, cartridge filtration units, chemical sterilization units, reverse osmosis filtration units, ultraviolet sterilization units, water filtration units

APPARATUS FOR WATER TREATMENT- NAMELY, WATER CONDITIONING UNITS