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G Pen (Grenco Science)

Leading personal vaporizer brand.

Available in

  • Alabama
  • Alaska
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • District of Columbia
  • Delaware
  • Florida
  • Georgia
  • Hawaii
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming
  • Puertro Rico
  • Alberta, Canada
  • British Columbia, Canada
  • Manitoba, Canada
  • New Brunswick, Canada
  • Newfoundland and Labrador, Canada
  • Nova Scotia, Canada
  • Northwest Territories, Canada
  • Nunavut, Canada
  • Ontario, Canada
  • Prince Edward Island, Canada
  • Quebec City, Canada
  • Saskatchewan, Canada
  • Yukon, Canada
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About Us

Grenco Science leads at the forefront of ingenuity and aptitude, consistently engineering the most advanced, user-friendly portable vaporizers in the world. The first to market a tank system specifically designed for personal aromatherapy regimens, Grenco Science™ integrates superior functionality with the convenience of transportability.

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