Water treatment equipment, namely, water filtration units; Water treatment equipment, namely, cartridge filtration units; Chlorinating units for water treatment; Electrostatic water treatment apparatus; Electrostatic water treatment apparatus for use in HVAC systems; Electrostatic water treatment apparatus for use in swimming pools; Electrostatic water treatment apparatus for use in ponds and lakes; Electrostatic water treatment apparatus for use in water features and fountains; Electrostatic...