What is an OEM filter and what is an alternative filter?

One of the questions we are asked a lot is what is the difference between an original equipment manufacturer (OEM) filter and an alternative filter? 

We are 20 years+ in filter manufacture, we feel we are well placed to answer this question and put a few myths to bed in the process. 

What is an OEM filter and what is an alternative filter?

Let’s start by defining OEM and alternative filters.

Very simply, an OEM filter is the specific filter model that comes with a piece of equipment when it is new. 

An alternative filter is an aftermarket product that is created to the same specification as the original. They are designed to have exactly the same fit, form and function as the original.