DIF vs. DFU vs. IDN

DIF_BN

What do the three terms represent:

DIF = Disposable In-Line Filter
DFU = Disposable Filter Unit
IDN = In-Line Disposable

Essentially, the three terms thing varys by manufacturers. Regardless, of the term, they all mean a small point of use completely encapsulated filter (typically a nylon body) with a disposable microfiber element ultrasonically welded inside with tube type connections.