Oxygenics 60120 SkinCare Shower Head (Chrome) for $19.99. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. It uses 70% less water than normal shower heads and injects air into the water stream as accelerator fin to increase the velocity of the outbound water to create a oxygenated spray. Most places have it for about $29 or more.