INLAND 3D Printer Cleaning Filament for All 1.75mm FDM 3D Printers & 3D Pens - 0.1kg, 100g Spool, Purge Printer Nozzle Cleaner Filament, Prevents Nozzle &Extruder Clogs, Natural

I wasn't entirely sure how this stuff could possibly work at first since it seems to me like any filament would work just as good at cleaning, but it appears I was wrong. Thousands of hours on my modified Ender 5 pro without a single clog. I run about 100 to 150 mm (sometimes even 300-400 after 1 specific filament as described below) of this through about every other filament change. The thing that really sold me on it, was when using it after printing 3DXTech ASA. For some reason, that filament leaves tons of black residue in my hotend. It takes 300 mm of this stuff to get it to running out of the hotend the same color as it goes in when I use it after that stuff. Whats amazing though, is that one time I switched from the black 3D Xtech ASA to some orange Overture PETG that prints at the same temp (without using cleaning filament in between). I printed for about 10 hours on the orange filament. After using the orange, I ran cleaning filament through, and filament still cleaned a bunch of black stuff out of the hotend that was left from the 3DXTech ASA, and again it took around 300 mm of this stuff to get it to come out clear. So apparently, even a full 25 meters/25,000 mm of PETG was unable to remove that leftover ASA residue, but only 400 mm of this stuff cleaned it out with ease. I'm not sure what is so special about this filament that allows it to clean better than others, but it does seem to have some sort of special cleaning property beyond just being a natural colored filament that works over a wide temperature range.

Product works as described flushing out old filament then clearing out Walsh itself.

Bought this to clean my nozzle when switching between PETG and PLA after I thoroughly clogged up a nozzle. It's been working great to flush out the different filament materials. Even used it when switching out TPU with zero issues. It doesn't seem like you are getting much, but you don't actually need a lot when cleaning out your hot end. Just feed it through until it comes out clean. If using white or transparent filament, just feed the cleaning filament until what is extruded feels like just the cleaning filament. There is a discernible difference in the feel, so use your fingers on the extruded filament AFTER it has cooled to feel for the difference.

Should have bought it earlier. Makes it easy to even remove petg. Had to be used manually though, won't work through an extruder. That's not an issue since you'd use atomic pulls anyway.

Excellent for cleaning nozzles between different filaments. Does have to be manually fed as it’s rather soft though not a issue for me though

This stuff is amazing. Every 3D printer should ship with this stuff, it would save everyone a lot of hassle. Personally I will always keep some of this stuff around and use it in-between every filament change.

Works awesome

Works as described.