• Major three-stage water filter, model ZDR104.
• Three housings in series for progressively finer filtration.
• The extra stage polishes the water after sediment and carbon treatment.
• Better final water quality than the two-stage unit.
• Needs more under-sink space and costs more than the two-line version.
• Wall-mounted with standard housings for straightforward cartridge changes.
• Suits kitchens where drinking water quality is the priority.
• The two-stage ZDR104 is the more compact, lower-cost option.
