Glass filter tips really became popular a couple of years back. You might consider them over-the-top and unnecessary, but there's a small army of people who will tell you otherwise. They're a great addition to your joints and a huge upgrade from standard paper tips.

These Famous X Glass Filter Tips are made entirely out of durable borosilicate glass. They have a flat mouthpiece and a pinched neck for that bit of extra comfort when smoking. You can reuse them endlessly provided you take care of them and clean them regularly. Sold as a pack of 3.