To use this personal air filter

Use it for the 18mm or 14mm male joint of your favorite piece

laid back sort of way

This 6-inch hand pipe by Empire Glassworks is without a doubt

portable size

Formula 420 Plastics Cleaner - 12oz Piezo Crystal Igniter To use this personal airIf your smoking collection contains many silicone pieces or plastic parts, you need this non abrasive solution. The Formula 420 Plastics Cleaner is made with non toxic ingredients specifically for silicone, plastics, and acrylics. Standard glass cleaners might damage porous materials, so use this specialized solution if you want to ensure the durability of your pieces. To use the cleaner, just pour it in your piece, shake for a minute and rinse out.