11. The air exchange valve, or one-way valve allows the user to clear stale or overly thick smoke form the glass base. This is done by blowing gently into the hose and pushing the used smoke out through the air exchange valve. The valve is blocked off by a steel ball bearing, which prohibits fresh air from entering the
hookah when sucking on the hose.
11. The air exchange valve, or one-way valve allows the user to clear stale or overly thick smoke form the glass base. This is done by blowing gently into the hose and pushing the used smoke out through the air exchange valve. The valve is blocked off by a steel ball bearing, which prohibits fresh air from entering the
hookah when sucking on the hose.
