Universal for Applications Requiring this WF28 Type filter.

This is a genuine original product made and supplied by the original equipment manufacturer (OEM). In order to maintain a valid warranty it is recommended to always use genuine original products. Genuine original products are specifically manufactured to increase the performance, functionality and life-span of your machine.

3M is a global innovation company that never stops inventing. Over the years, our innovations have improved daily life for hundreds of millions of people all over the world. We have made driving at night easier, made buildings safer, and made consumer electronics lighter, less energy-intensive and less harmful to the environment. We even helped put a man on the moon. Every day at 3M, one idea always leads to the next, igniting momentum to make progress possible around the world.

None, at present.