Elga lab cartridge - removes ionic contaminants to achieve specified water quality. Fits models: MD007BPM1 , MD007BPM2 , MD007XXM1 , MD007XXM2 , MD015BPM1 , MD015BPM2 , MD015XXM1 , MD015XXM2 , ME007BPM1 , ME007PK01 , ME007XXM1 , ME015BPM1 , ME015PK01 , ME015XXM1 , MR007BPM1 , MR007PK01 , MR007PK02 , MR007XXM1 , MR015BPM1 , MR015PK01 , MR015PK02 , MR015XXM1 , OR007BPM1 , OR007XXM1 , OR015BPM1 , OR015XXM1 , OS007BPM1 , OS007XXM1 , OS015BPM1 , OS015XXM1