LG WW174NPC Owner's Manual page 15

WW182EP/WW183EPR/WW184EPB/WW184EPC
Water level sensor*
litres
Mineral
RO
Booster
Recovery
Filter
Plus
Flow Restrictor 250 ml/min
(WW182EP/WW183EP only)/
Flow Restrictor 200 ml/min
(WW184EPB/WW184EPC only)
Water level sensor*
litres
*Features & Spec. may vary from model to model
15