A joint filter – also called a tip – sits at the mouthpiece end of the joint. It stabilizes the mouthpiece, holds back crumbs and ash, and makes drawing more pleasant. A small part with a noticeable effect.
What is the filter for?
Without a tip, the joint quickly pulls material and ash into the mouth and compresses when drawn. The filter provides structure, keeps the end open, and ensures an even airflow. It also allows the joint to be smoked to the end without burning your fingers.
What types of joint filters are there?
- Cardboard tips – the classics, self-rolled from thin cardboard.
- Pre-made filters – pre-formed tips for direct insertion.
- Activated carbon filters – additionally filter pollutants and cool the smoke.
- Glass filters – reusable, tasteless, and durable.
Cardboard, activated carbon, or glass filter?
A cardboard tip serves its purpose and is inexpensive. An activated carbon filter makes the draw noticeably smoother and filters out more. A glass filter is the sustainable long-term solution: buy once, use again and again, no inherent taste.
Frequently asked questions
Does a cardboard tip filter anything at all?
Chemically hardly – it primarily provides stability and holds back crumbs. For true filtering, you need activated carbon.
Can I use a glass filter multiple times?
Yes, that's exactly its advantage. Briefly clean, reinsert, done.
How do I roll a cardboard tip?
Usually with a small accordion fold at the beginning, then roll it firmly. Practice makes perfect.
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