S1 - Charcoal Filters (Pair)
BM S1 can be used to replace BM H1 filters & BM UCF1 ( now obsolete )
Charcoal filter for PV372SS, PV972GL, BTI970SS, P37SS, BTC918GL, BE605BGL, P36SS, BTC977SS, BTC675SS, BTC975SS, BTC6750GL, BTC9750GL, BTC6740SS, BTC9740SS, BU676GL, BT6.3BGL/GL, BT7.3BGL/GL, BT9.3BGL/GL, BT10.3BGL/GL, BTC6720SS,