Grav 18mm Glass Cleaning Plug / Airflow Cork

If you're one of those people that choose to use a spare finger or thumb to plug your water pipe joint while cleaning, you know firsthand that it will usually result in smelly fingers and sometimes even a nasty mess. These Glass Cleaning Plugs from Grav are the perfect tool for a quick assist in your bong cleaning process, equipped with an 18mm male joint that works to create an airtight seal in any 18mm female joint. Grav Glass Cleaning Plugs also double as convenient air corks for blocking the airflow to one side of any bong, or water pipe bowl piece adapter, that features two 18mm female joints. 

To use the Grav Cleaning Plugs, simply replace the hole where your bowl piece usually resides with the glass plug and hold it in place while shaking your isopropyl alcohol or other cleaning solution around the interior of the pipe. If using the Grav Glass Plugs for cleaning purposes, you will still need to hold down the joint to ensure the plug doesn’t come loose while shaking around your cleaning solution. It’s not necessary to hold when using as an airflow cork for water pipes with more than one joint. We recommend sterilizing your glass pipes with a mixture of Higher Standards ISO Pure and Higher Standards Salt Rox for a thorough disinfectant & polished finish when rinsed clean.

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