Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Aug. 14, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	PURADYN FILTER TECHNOLOGIES INC
Entity Central Index Key	0001019787
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Incorporation	DE
Entity File Number	001-11991
Entity Common Stock, Shares Outstanding		69,016,468