LG WW174NPC Owner's Manual page 20

Purification
UV Sterilization
RO Membrane Filter*
RO Recovery Plus*
Installation water Pressure limit
Internal Operating Pressure
*
20
WW182EP WW172EP
WW183EPR WW173EPB
WW162EP
WW184EPB
WW184EPC
Ultra-filtration
10.5 kg
WW174NPC
litres
Polypropylene Module + Activated Carbon
10 kg 10 kg
WW150/151 WW140
Series
/152
Series
WW130NP