Lasko Box fan 1in filter clip

I found a fan filter clip that WOULD work really well if it wasn't made for significantly larger filters than are on the market. I remixed it to support a wider range of filter sizes and be less fragile. It works GREAT in PETG. 

It's strong, uses very little filament, and doesn't over tension and warp the fan grate like some clip on brackets can. It also holds the filter right against the box fan for a better seal, all while using less filament.

Print 5 of these per fan and slide the filter in 1 side. It should gently be tensioned against the fan face

My remix was stretched out and reinforced for strength to allow it to hold a 19.5in furnace filter (which falls out in the original). The fingers are a little taller and thicker.