01. The grounded check -air- valve is made from simax-glass and comes in a protective box. The air valve (or one-way valve) allows the user to clear stale or overly thick smoke form the glass shisha corpus. |
02. This is done by blowing into the hose and pushing the used smoke out through the air exchange valve. The valve is blocked off by a simax glass ball bearing, which prohibits fresh air from entering the shisha pipe when sucking on the hose. |