This is the replacement Flexitube Kit for the Fisher & Paykel Oracle HC452 mask. It includes the Elbow & Vented Non-Rebreathing Valve. This product does not include the mask and headgear.
Overall Rating 5.0 1 Review
I purchased this unit to experiment with. I have a full face mask that uses the same type valve. I purchased a nasal unit that does not have a valve, so I adapted it to the nasal mask. It didn't help .