Has anyone EVER Seen these PreFilters for the Glowforge Filter?

Look at this picture

Sold here

There has been quite a bit of talk about prefilters. They are a great idea for prolonging the life of an expensive filter!

Here is one that I remember:

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I saw that but these look like they were made and cut for the Glowforge and fit perfectly in the upper slot and look washable ? Its funny how they are pictured with the unit and there was a rumor they would be available at some point. Would love a comment from Glowforge themselves. These filter cartridge’s are causing me to raise my costs

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