120mm 12v PC fan Solder Fume Extractor

I bought a 240v soldering fume extractor and it came with some spare filters, since the cord on it was so short I can't even use it, I built a version to use a 120mm PC fan instead.

The filters it came with are 135 x 133 so that's what this thing holds (don't ask me why they're not perfectly square but one side is 2mm shorter).

Holes in it are 4.8mm which should accept an M5 screw.

It looks bent in the pictures because it is, I printed it in ABS and it warped like crazy, the actual mode