vinyl resins

5" L x 5" W Square with 4" L x 4" W Pad

It helps to regulate relative humidity

Box includes 10 pouches

Adjustable waist band

FlexiFit 431 Mask without Headgear Universal Nasal Pillow Mask Interfaces vinyl resinsFisher & Paykel H Inc FlexiFit 431 Mask without Headgear Universal SizeThe FlexiFit 431 Full Face Mask offers a comfortable alternative to nasal or oral delivery. It incorporates the FlexiFit Technology with auto contouring properties, features an Under Chin fit and highly contoured Silicone Seal for maximum comfort and stability. Simple one step auto adjustment fitting using FlexiFit Technology. Unique Glider Strap provides freedom of movement while