<SEC-DOCUMENT>0000914190-18-000586.txt : 20181221
<SEC-HEADER>0000914190-18-000586.hdr.sgml : 20181221
<ACCEPTANCE-DATETIME>20181221165456
ACCESSION NUMBER:		0000914190-18-000586
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181219
FILED AS OF DATE:		20181221
DATE AS OF CHANGE:		20181221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Astor Andrew
		CENTRAL INDEX KEY:			0001698052

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32288
		FILM NUMBER:		181250258

	MAIL ADDRESS:	
		STREET 1:		1350 WEST FULLERTON AVENUE
		STREET 2:		#501
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60614

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEPHROS INC
		CENTRAL INDEX KEY:			0001196298
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				133971809
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		380 LACKAWANNA PLACE
		CITY:			SOUTH ORANGE
		STATE:			NJ
		ZIP:			07079
		BUSINESS PHONE:		201.343.5202

	MAIL ADDRESS:	
		STREET 1:		380 LACKAWANNA PLACE
		CITY:			SOUTH ORANGE
		STATE:			NJ
		ZIP:			07079
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-12-19</periodOfReport>

    <issuer>
        <issuerCik>0001196298</issuerCik>
        <issuerName>NEPHROS INC</issuerName>
        <issuerTradingSymbol>NEPH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001698052</rptOwnerCik>
            <rptOwnerName>Astor Andrew</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NEPHROS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>380 LACKAWANNA PLACE</rptOwnerStreet2>
            <rptOwnerCity>SOUTH ORANGE</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07079</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO/COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>497903</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.30</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2017-03-17</value>
            </exerciseDate>
            <expirationDate>
                <value>2022-03-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>133333</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>133333</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.4599</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-02-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>289785</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>289785</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.293</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-05-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>209355</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>209355</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.4999</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-12-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.65</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-12-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-12-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 44,111 shares of restricted stock that vest on 6/14/19.</footnote>
        <footnote id="F2">On 2/13/17, the Reporting Person was granted an option to purchase up to 579,571 shares of common stock of the Company. Options to purchase 72,446 shares vested on 2/13/18; options to purchase 217,339 shares vest quarterly in 12 equal amounts commencing on 5/13/18; options to purchase 115,914 shares will vest, if ever, upon approval of listing of the Company's common stock on the Nasdaq Stock Market, New York Stock Exchange or such other national securities exchange approved by the Board; options to purchase 57,957 shares will vest, if ever, on 2/1 following the Company's first completed fiscal year in which annual revenue exceeds $6,000,000; and options to purchase 115,914 shares will vest, if ever, on 2/1 following the Company's first completed fiscal year in which annual revenue exceeds $10,000,000.</footnote>
        <footnote id="F3">On 5/1/17, the Reporting Person was granted an option to purchase up to 418,709 shares of common stock of the Company. Options to purchase 52,339 shares vested on 5/1/18; options to purchase 157,016 shares vest quarterly in 12 equal amounts commencing on 7/1/18; options to purchase 41,871 shares will vest, if ever, on 2/1 following the Company's first completed fiscal year in which annual revenue exceeds $6,000,000; options to purchase 83,742 shares will vest, if ever, on 2/1 following the Company's first completed fiscal year in which annual revenue exceeds $10,000,000; and options to purchase 83,742 shares will vest, if ever, upon approval of listing of the Company's common stock on the Nasdaq Stock Market, New York Stock Exchange or such other national securities exchange approved by the Board.</footnote>
        <footnote id="F4">On 12/20/17, the Reporting Person was granted an option to purchase 50,000 shares of common stock of the Company.  Options to purchase 12,500 shares vested on 12/20/18 and options to purchase 37,500 shares vest quarterly in 12 equal amounts commencing on 3/20/19.</footnote>
        <footnote id="F5">On 12/19/18, the Reporting Person was granted an option to purchase 200,000 shares of common stock of the Company. Options to purchase 50,000 shares vest on 12/19/19 and options to purchase 150,000 shares vest quarterly in 12 equal amounts commencing on 3/19/20.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Amanda Lorentz as attorney-in-fact for Andrew Astor pursuant to Power of Attorney previously filed.</signatureName>
        <signatureDate>2018-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
