NEPHROS, INC. (Incorporated under the laws of the Stateof Delaware) NONTRANSFERABLE SUBSCRIPTION RIGHTSCERTIFICATE

Exhibit 4.11

THE TERMS AND CONDITIONS OF THE RIGHTS OFFERING ARE SET FORTH IN THE COMPANY’S PROSPECTUS DATED FEBRUARY 7, 2014 (THE “PROSPECTUS”) AND ARE INCORPORATED HEREIN BY REFERENCE. COPIES OF THE PROSPECTUS ARE AVAILABLE UPON REQUEST FROM CONTINENTAL STOCK TRANSFER & TRUST COMPANY, THE SUBSCRIPTION AGENT.

NEPHROS, INC.

(Incorporated under the laws of the State of Delaware)

NONTRANSFERABLE SUBSCRIPTION RIGHTS CERTIFICATE

Evidencing Nontransferable Subscription Rights to Purchase Shares of Common Stock of Nephros, Inc.

Subscription Price: $0.30 per Share

THE SUBSCRIPTION RIGHTS WILL EXPIRE IF NOT EXERCISED ON OR BEFORE 5:00 P.M., EASTERN TIME, ON MARCH 10, 2014, UNLESS EXTENDED BY THE COMPANY. THIS CERTIFIES THAT

the registered owner whose name is inscribed hereon is the owner of the number of subscription rights (“Rights”) set forth on the face of this certificate. Each whole Right entitles the holder thereof to subscribe for and purchase 0.28673 of a share of common stock (“Share”), par value of $0.001 per Share, of Nephros, Inc., a Delaware corporation (the “Company”), at a subscription price of $0.30 per Share (the “Subscription Privilege”), pursuant to a rights offering (the “Rights Offering”), on the terms and subject to the conditions set forth in the Prospectus and the “Instructions for Use of Nephros, Inc. Subscription Rights Certificates” accompanying this Subscription Rights Certificate. The Rights expire at 5:00 p.m. on March 10, 2014, unless extended. If the Company extends the time for exercising the Rights, it will not extend such time more than 60 days past the date of the Prospectus. The Rights represented by this Subscription Rights Certificate may be exercised by completing the “Form of Election to Purchase” on the reverse side hereof and by returning the full payment of the subscription price for each Share in accordance with the “Instructions for Use of Nephros, Inc. Subscription Rights Certificates” that accompanies this Subscription Rights Certificate.

This Subscription Rights Certificate is not valid unless countersigned by the transfer agent and registered by the registrar.

FORM OF ELECTION TO PURCHASE

PLEASE PRINT ALL INFORMATION CLEARLY AND LEGIBLY

The registered holder of this Rights Certificate is entitled to exercise the number of Rights shown in the upper right hand corner of the Subscription Rights Certificate and may subscribe for additional Shares upon the terms and conditions specified in the Prospectus. The undersigned hereby notifies the Subscription Agent of its irrevocable election to subscribe for Shares in the following amounts: To subscribe for Shares pursuant to your Subscription Privilege, please complete lines (a) and (b) and sign below.