Air heat pump indoor unit filter grid.This filter located in front of the cell prevents dust from entering the cell of the indoor unit.Replaces parts 5230A20014B, 5230A20014D, 5230A20014C.Original spare part for many LG ASNC, ASNW, ASNH, AMNH, AS-W, AS-H series models.Check the fit for your model in the compatibility table with the markings on the model label of the indoor unit.