The CleanSpace Full Face Mask Orinasals are designed to be used with the CleanSpace Full Face Mask (PAF-1106, PAF-1014). The PAF-1022 Orinasal (S) come with every CleanSpace Full Face Mask. PAF-1022 is a spare used for replacement in case of damage or loss. PAF-1027 is an accessory for larger face and lip length. The Orinasals are made of silicone and polycarbonate.