2 Packs USB Fan 40mm x 10mm DC 5V Mini Cooling Brushless Box Fan for Computer Terrarium PlayStation PC Case Xbox Welding Helmet Aquarium Router 40mm x2 sold2024 1* Honeycomb grid

1* Honeycomb grid

it's can easily tightened use your hand

You could add or reduce fillers into the pillow

High-quality MaterialThis Draupnir engine ground strap kit is made of copper

2 Packs USB Fan 40mm x 10mm DC 5V Mini Cooling Brushless Box Fan for Computer Terrarium PlayStation PC Case Xbox Welding Helmet Aquarium Router 40mm x2 sold2024 1* Honeycomb grid2 Packs USB Fan 40mm x 10mm DC 5V Mini Cooling Brushless Box Fan for Computer Terrarium PlayStation PC Case Xbox Welding Helmet Aquarium Router This versatile 40mm USB fan is a USB computer fan and USB mini fan, perfect for cooling laptops, WiFi towers, 3D printers, cable modems, Steam Decks, and more. It functions as a CPU cooler, Ender 3 fan, and PC case fan, ensuring your electronics stay cool. For hobbyists, it serves as a micro fan, mini computer