Patented Model R with Magnetic Attachment By Gayle Posted January 3, 2022 In 0 0 The PreVent® Model R with Magnetic Attachment is patented. Recent PostsThere’s Only 1 Permatron, and There’s Only 1 Permatron Team: Meet OEM Sales Manager Michelle Ferrara How PreVent Air Intake Filters Save the Equipment in Electronic Enclosures “Measuring PreVent”—Meet Account Manager Jim Moran Why PreVent Filters are Found in Starbucks Worldwide