What is the PHF? *The PHF is a 501(c)(3) non profit charity. *Donations are 100% tax deductible to the extent allowed by law. *The PHF is led by parents of children who suffer from Hydrocephalus, but we support the entire Hydrocephalus Community. *All money raised is distributed togrants written directly by doctors whose research focuses on creating a more effective treatment or cure for Hydrocephalus.