HNF-21 Anti-Scaling Filter For Washing Machines and Dishwashers. 

The HNf-21 uses a combination of Polyphosphate and Ceramic Ball Dosing System to protect washing machines and dishwasher, against Lime scale (Kalk / Calcium / Hardness).

The HNF-21 protects the scaling of the appliance's heater, saving energy, reducing powder consumption, and providing a spotless aesthetic effect on items. 

The HNF-21 is designed for easy installation to standard water supplies of washing machines and dishwashers, so no additional plumbing will be required. 

The HNF-21 Filters inlet is a Female 3/4" / 20mm and the Outlet to the applications is Male 3/4" / 20mm thread. 

Compatible with the Following Brands of Washing Machines and Dishwashers: 

• LG
• Gibson
• Kelvinator
• White-Westinghouse
• Tappan, Samsung
• Whirlpool
• General Electric (GE)
• Electrolux
• Frigidaire. 

Operating Specifications:

• Rated Capacity: 300 GALLONS (1135,62 LITRES)
• Service Life: 6 MONTHS
• Rated Flow: 0.5 GPM (1.9 LPM)
• Maximum Pressure: 125 PSI
• Temperature: 34-100℉(1-38℃)
• Flushing Time: 5 MINUTES
• Function Chemical / Mechanical Reduction
• Reduction Claims Chlorine taste and odor, Dirt and Rust