Tar-Away Cigarette Filters (6mm) for ROLL UP cigarettesDescription: Reduces your intake of tar, nicotine & other harmful substances you inhale. No change to the flavour or taste of your roll up cigarette When red area is completely black, use a new filter Each Tar Away filter lasts for between 5 10 roll ups Filter size is 6mmMade in the EU Each pack has 50 x filters in, so you are buying 10 x packs = 500 filters.