<SEC-DOCUMENT>0001193125-18-044238-index.html : 20180214
<SEC-HEADER>0001193125-18-044238.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214080503
ACCESSION NUMBER:		0001193125-18-044238
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214
GROUP MEMBERS:		GLENHILL CAPITAL ADVISORS, LLC
GROUP MEMBERS:		GLENHILL CAPITAL MANAGEMENT, LLC
GROUP MEMBERS:		GLENHILL CAPITAL OVERSEAS MASTER FUND, LP
GROUP MEMBERS:		GLENN J. KREVLIN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PURADYN FILTER TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001019787
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				141708544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-50877
		FILM NUMBER:		18607219

	BUSINESS ADDRESS:	
		STREET 1:		2017 HIGH RIDGE ROAD
		CITY:			BOYNTON BEACH
		STATE:			FL
		ZIP:			33426
		BUSINESS PHONE:		5615479499

	MAIL ADDRESS:	
		STREET 1:		2017 HIGH RIDGE ROAD
		CITY:			BOYNTON BEACH
		STATE:			FL
		ZIP:			33426

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	T F PURIFINER INC
		DATE OF NAME CHANGE:	19960726

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLENHILL ADVISORS LLC
		CENTRAL INDEX KEY:			0001137521
		IRS NUMBER:				134153005

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		600 FIFTH AVE
		STREET 2:		11TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		646-432-0600

	MAIL ADDRESS:	
		STREET 1:		600 FIFTH AVE
		STREET 2:		11TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KREVLIN ADVISORS LLC
		DATE OF NAME CHANGE:	20010402
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d509840dsc13ga.htm
<DESCRIPTION>AMENDMENT NO. 3 TO SCHEDULE 13G
<TEXT>
Document 1 - file: d509840dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>