EXHIBIT 99.1

JOINT FILING AGREEMENT

 

Pursuant to Rule 13d-1(k)(1)(iii) of the Securities Exchange Act of 1934, each of the undersigned agrees that a single joint Schedule 13G and any amendments thereto may be filed on behalf of each of the undersigned with respect to the securities held by each of them in Nephros, Inc.

 

DATED September 16, 2026

 

  /s/ Charles E. Davidson  
   CHARLES E. DAVIDSON  
     
  CD HOLDING COMPANY, LLC  
       
  By: /s/ Charles E. Davidson  
  Name: Charles E. Davidson  
  Title: Manager and President