How my patients fill the pillow? Customer Service Desk August 06, 2019 14:27 Follow Instructions can be found on the inside packaging or click here: FILLING INSTRUCTION Related articles How much water should be used? How long can the water stay in my pillow before it needs to be changed? Is Chiroflow hypoallergenic? Which side of the pillow do I sleep on? Can the pillow be washed? Comments 0 comments Article is closed for comments.