Mouthpiece + Hose Protector Sleeve KinAn Easy Way to Customize Your RegulatornAdd more color to your regulator for a totally customized looknAdd more color to your regulator for a totally customized look. Or use the new mouthpiece/hose protection (1st stage) color kits to easily distinguish your mixes on tech dives. Available in several colors they let you to match your regulator to the rest of your gear.