*rare* Monark Iron Lung Dual Valve Dab Rig

Rare Monark Iron Lung Dual Valve Dab Rig never been used very interesting function take longer dabs never remove your lips! Monark Iron Lung Dual Valve Dab Rig. comes with a ball valve system and release vents. allowing for the consumer to exhale back into the rig and continuing to smoke. Thus allowing the consumer to take larger dabs and continue inhaling and exhaling without removing there lips from the rig.