A large bore tube with a dry top designed to be the perfect companion to theSpectra Mask. Regulator style mouthpiece and purge valve for easy clearing. Thecorrugated silicone tube keeps the mouthpiece aside when using a regulator. Available in 7 metallic colors coordinated with the Spectra mask. Exclusive paint process including new duotones colors Flexible corrugated joint Purge valve at lowest point Regulator style mouthpiece