Innovation at Circadiance continued this year with the addition of the multi-colored Zzzephyr Seal to the Pa-based company's line of cloth CPAP masks. Almost 3 years after transcending the plastic paradigm, Circadiance LLC of Murrysville, Pa, has updated its original cloth nasal CPAP mask yet again with the new Zzzephyr Seal for use with the SleepWeaver ADVANCE Mask. … [Read more...] about Cloth, Color, and Circadiance