The U.S. aircraft register, updated daily
Parts

Filter Potable

No failure report names the filter potable. 2 FAA approvals let 1 company make a replacement filter potable, Ejay Filtration INC holding the most (2).

Approved replacement parts 2 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a filter potable and sell it as an approved part for the models named. These are the companies holding such approvals for a filter potable:

For these models most: Bombardier DHC-8 Dash 8 and Q400 (1).

MakerPartReplacesFitsGrantedStatus
Ejay Filtration INCFilter Assy. Potable Water 90731Bombardier/ Canadair P/N 30475 or 601R43144-1Bombardier/ Canadair Regional Jet Model CL-600-2B19...2013-07-16current
Ejay Filtration INCFilter Assy. Potable Water 90731Bombardier/ Canadair P/N 30475Bombardier DHC-8-400 Series (Dash 8 Medium...2013-07-16current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.