Uploaded March 2024 | Updated September 2026, 2 weeks ago
This is my full review of the GratKit Firefly single-spool filament dryer. Keeping your 3d printing filament dry will drastically increase print quality. So how does the Firefly handle a spool of filament soaking in water for 24 hours? Lets find out!
Join GratKit's facebook group, its a great way to ask questions and be part of their community: facebook.com/groups/gratkit
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See details about the GratKit Firefly dryer here (affiliate links):
US: amzn.to/48EbsYg
CA : amazon.ca/dp/B0CNVBM5C1
DE : amazon.de/dp/B0CNVBM5C1
IT : https://www.amazon.it/dp/B0CNVBM5C1
ES : amazon.es/dp/B0CNVBM5C1
UK : amazon.co.uk/dp/B0CNVBM5C1
GratKit's website: gratkit.com/collections/filament-dryer/products/gratkit-firefly-filament-dryer-app-controlled-3d-printing-filament-dryer-box
My Dry Storage:
46qt Storage bin: amzn.to/3RVJ393
Eva-Dry Dehumidifier: amzn.to/3zwavmw
Videos Referenced:
This is the best way to store 3D Printer FIlament: youtu.be/p34DapG9598
How wet is new 3D Printer FIlament? youtu.be/Zj4dAkdZhWs
Creality CR-10 SE review: youtu.be/HdYV2nHivuw
Increase 3D Print quality by drying filament: youtu.be/pQoU5gjqAiY
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Keep track of your filament and prints with a Free 3D Print Log account:
3dprintlog.com
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๐ See my recommended printers, filament, and accessories on my Amazon Idea Lists!
๐ 3D Printing Equipment for Beginners: amzn.to/2PNblSL
โก 3D Printing Equipment for Intermediate Hobbyists: amzn.to/2OOuQOy
๐ฏ 3D Printing Equipment for Advanced Users - Liquid Resin SLA/DLP: amzn.to/2PpqWuK
๐ See the TEVO Tornado on Amazon: amzn.to/2TnhQhn
๐ฅ Hoffman Engineering Youtube/Video Equipment - See on Amazon: amzn.to/2O9oP9I
๐ Microphone - Sennheiser XSW-D Lavalier Set w/ ME-II - amzn.to/2F6ORYY
Thank you to all my Patreons for helping make these videos possible. Join me at patreon.com/HoffmanEngineering
Special thanks to my tier 2 and above patrons:
* Aaref A.
* Gรกbor B.
Christopher Hoffman
Hoffman Engineering
https://www.hoffman.engineering
#3dprinting #filament #hoffmanengineering
This is my full review of the GratKit Firefly single-spool filament dryer. Keeping your 3d printing filament dry will drastically increase print quality. So how does the Firefly handle a spool of filament soaking in water for 24 hours? Lets find out!
Join GratKit's facebook group, its a great way to ask questions and be part of their community: facebook.com/groups/gratkit
---------------------------------------------------------------------------
See details about the GratKit Firefly dryer here (affiliate links):
US: amzn.to/48EbsYg
CA : amazon.ca/dp/B0CNVBM5C1
DE : amazon.de/dp/B0CNVBM5C1
IT : https://www.amazon.it/dp/B0CNVBM5C1
ES : amazon.es/dp/B0CNVBM5C1
UK : amazon.co.uk/dp/B0CNVBM5C1
GratKit's website: gratkit.com/collections/filament-dryer/products/gratkit-firefly-filament-dryer-app-controlled-3d-printing-filament-dryer-box
My Dry Storage:
46qt Storage bin: amzn.to/3RVJ393
Eva-Dry Dehumidifier: amzn.to/3zwavmw
Videos Referenced:
This is the best way to store 3D Printer FIlament: youtu.be/p34DapG9598
How wet is new 3D Printer FIlament? youtu.be/Zj4dAkdZhWs
Creality CR-10 SE review: youtu.be/HdYV2nHivuw
Increase 3D Print quality by drying filament: youtu.be/pQoU5gjqAiY
---------------------------------------------------------------------------
Keep track of your filament and prints with a Free 3D Print Log account:
3dprintlog.com
---------------------------------------------------------------------------
๐ See my recommended printers, filament, and accessories on my Amazon Idea Lists!
๐ 3D Printing Equipment for Beginners: amzn.to/2PNblSL
โก 3D Printing Equipment for Intermediate Hobbyists: amzn.to/2OOuQOy
๐ฏ 3D Printing Equipment for Advanced Users - Liquid Resin SLA/DLP: amzn.to/2PpqWuK
๐ See the TEVO Tornado on Amazon: amzn.to/2TnhQhn
๐ฅ Hoffman Engineering Youtube/Video Equipment - See on Amazon: amzn.to/2O9oP9I
๐ Microphone - Sennheiser XSW-D Lavalier Set w/ ME-II - amzn.to/2F6ORYY
Thank you to all my Patreons for helping make these videos possible. Join me at patreon.com/HoffmanEngineering
Special thanks to my tier 2 and above patrons:
* Aaref A.
* Gรกbor B.
Christopher Hoffman
Hoffman Engineering
https://www.hoffman.engineering
#3dprinting #filament #hoffmanengineering








![You Need To Protect your Lungs from your Laser Cutter | LaserPecker Air Purifier Review
We protect our eyes from our laser cutters, but why arent we protecting our lungs? Lasers produce a ton of smoke, fumes, and harmful gases while cutting. So I grabbed the LaserPecker Air Purifier, which claims to remove 99.97% of particles and VOCs from the air, and put it through my tests. Different materials, different brand of lasers, this review has everything you need to know about the LaserPecker Air Purifier.
Find more information about the Laserpecker Air Purifier (Affiliate Links):
Air Purifier: https://shrsl.com/4lxl4
LP4 + Air Purifier: https://shrsl.com/4lxl8
See other accessories below (Affiliate Links):
LP4: https://shrsl.com/4lxkt
LP4 + Slide Extension: https://shrsl.com/4lxkw
LP4 + Rotary Extension: https://shrsl.com/4lxl0
LP4 + Rotary + Slide Extensions: https://shrsl.com/4lxl3
LP4 + Protection Cover: https://amzn.to/4eZ7Rsm
Protection Cover: https://shrsl.com/4lxl9
Materials I use in my Laser Cutter Reviews (Affiliate Links):
Multicolor Anodized Aluminum Business Card Blanks: https://amzn.to/3yqYcbh
Stainless Steel Jewelry Blanks: https://amzn.to/3xQeNEo
Slate Coasters: https://amzn.to/3fo2Nnf
Stainless Steel Business Card Blanks: https://amzn.to/3BKDraC
Veg Tan Leather Bracelets: https://amzn.to/3rdNmjO
Basswood Plywood Sheets: https://amzn.to/3M7jEpy
LED Acrylic Lamp Base: https://amzn.to/3M7jFK8
Black Acrylic Sheets: https://amzn.to/3vZNV4c
๐ See my recommended printers, filament, and accessories on my Amazon Idea Lists!
๐ 3D Printing Equipment for Beginners: https://amzn.to/2PNblSL
โก 3D Printing Equipment for Intermediate Hobbyists: https://amzn.to/2OOuQOy
๐ฏ 3D Printing Equipment for Advanced Users - Liquid Resin SLA/DLP: https://amzn.to/2PpqWuK
๐ See the TEVO Tornado on Amazon: https://amzn.to/2TnhQhn
๐ฅ Hoffman Engineering Youtube/Video Equipment - See on Amazon: https://amzn.to/2O9oP9I
๐ Microphone - Sennheiser XSW-D Lavalier Set w/ ME-II - https://amzn.to/2F6ORYY
Thank you to all my Patreons for helping make these videos possible.
Special thanks to my tier 2 and above patrons:
* Aaref A.
* Gรกbor B.
Christopher Hoffman
Hoffman Engineering
https://www.hoffman.engineering
[0:00] Intro
[0:37] Disclaimer
[0:55] Specifications
[1:28] 4-Stage Filter
[2:01] 3-6 Month Filter Lifespan
[2:17] Testing Noise Levels
[2:45] Testing Wind Speeds
[3:11] Air Quality Testing - LP4
[4:44] Testing without filter
[5:16] Air Quality Testing - Gweike G2 Pro
[5:59] Air Quality Testing - Creality Falcon2 Pro
[7:20] Inspecting Filter after user
[7:41] Can you use it indoors?
[8:21] Conclusion
[9:13] Pricing
[9:35] Outro
#laserpecker #airpurifier #lasercutting You Need To Protect your Lungs from your Laser Cutter | LaserPecker Air Purifier Review](https://i.ytimg.com/vi/w_k3q0GtxH0/mqdefault.jpg)

