![CHAR-COOL Filter & Filter Holder Starter Kit (Gift with Subscription)](http://bananabros.com/cdn/shop/products/fILTER-PDP-IMAGESPACKAGE_86ceea92-689d-4f1b-9141-3a3f2efeb7c5.jpg?v=1619733887&width=1445)
![CHAR-COOL Filter & Filter Holder Starter Kit (Gift with Subscription)](http://bananabros.com/cdn/shop/products/filters_diagram-Artboard1_a5f26d6d-8b64-4fb3-9dac-368b4d2ad252.jpg?v=1619733887&width=1445)
![CHAR-COOL Filter & Filter Holder Starter Kit (Gift with Subscription)](http://bananabros.com/cdn/shop/products/PDP-filterFILTER_7c1caf2a-39f7-46db-ac4b-c96f01f4f7a2.jpg?v=1619733887&width=1445)
![CHAR-COOL Filter & Filter Holder Starter Kit (Gift with Subscription)](http://bananabros.com/cdn/shop/products/PDP-filterHOLDER_bff771ba-9673-45d5-9c9b-fdc4dfc34636.jpg?v=1619733887&width=1445)
![CHAR-COOL Filter & Filter Holder Starter Kit (Gift with Subscription)](http://bananabros.com/cdn/shop/products/PDP-filterHOLDER-FILTER-CONE_2e8ca1f4-55bd-4a5f-b2da-7c9c50d2f298.jpg?v=1619733887&width=1445)
OG Otto key features
![](http://bananabros.com/cdn/shop/files/abd163f613579cbf2abe548f4c8b9659_2x_b98cbd58-52ab-420d-9366-0aac840e7c3f.jpg?v=1658732583&width=1500)
THE ENGINEERING
OTTO is engineered with artificial intelligence to expertly mill instead of grind. Made with Aerospace Engineered Aluminum Milling Plates, OTTO is designed to mill and built to last.
![](http://bananabros.com/cdn/shop/files/aa1fe71556909b732329807ceb2e16eb_2x_9fed960c-e8e6-42d6-8531-3382c85e4c9b.jpg?v=1658732583&width=1500)
THE TECHNOLOGY
OTTO’s precision-engineered technology automatically adjusts pressure, speed, and direction based on the texture and consistency of your material.
![](http://bananabros.com/cdn/shop/files/5881a3a29532155e5e8224a3a1e7b881_2x_083c9197-9a06-49fb-b27f-2365ef902ca4.jpg?v=1658732583&width=1500)
THE PERFORMANCE
Making a cone takes time, it can be messy, and it doesn't always come out exactly right. With OTTO it is always a perfect cone in seconds. No mess. No waste. No waiting.