770030L Size Group: Large, Price Each (part# 770030L) This item features: -Silicone facepiece conforms to facial features and doesn"t harden with age. -Contoured sealing flange and cradle suspension system eliminates discomfort caused by pressure points on facial nerves. -Direct cartridge-to-facepiece seal minimizes replacement parts and simplifies maintenance. -Body Material: Silicone.