LT1000PC Water Filter Compatible for LT1000PC, LT-1000PC, LT1000PC/PCS, ADQ74793501, MDJ64844601, ADQ747935, ADQ74793504 Water Filter, Kenmore 46-9980, 9980, ADQ74793502 etc. Find NSF 42 Standard information: Go to NSF’s database, enter the certified model number “MR15” or manufacturer «Ningbo Pureza Technology, LLC».