Original Fisher & Paykel product in sealed manufacturers packaging. Fisher & Paykel 90-day warranty against product defects. Designed to fit the Forma full face mask. May also be used in the FlexiFit 432 full face mask. Available in small, medium, large and extra large sizes. Product posting maintained by Sleep Apnea Solutions for accuracy and integrity. Please report issues/concerns to SAS. Replacement silicone seal and cushion for the Forma full face mask. Can also be used in the FlexiFit 432 full face mask. Please check the bottom of the silicone seal for sizing before ordering.