Brownie's Third Lung Hookah Add-A-Diver Kit ADK-20 Add-A-Diver Kit Includes everything you need to snap another person into either system. (1) QRS Y-Divider (1) 20 ft diver hose with QRS fitting (1) Brownie'sTM hookah regulator With 40 Inch Wip ( This Regulator is not for Scuba Tank use, Hookah Compressor only) (1) Brownie'sTM Tow Belt