Trans Fats or Hydrogenated Fats. Trans fats are actually unsaturated fats, but they can raise total and LDL (bad) cholesterol levels while also lowering HDL (good) cholesterol levels. Trans fats are used to extend the shelf life of processed foods, typically cookies, cakes, fries and donuts.rans Fats or Hydrogenated Fats. Trans fats are actually unsaturated fats, but they can raise total and LDL (bad) cholesterol levels while also lowering HDL (good) cholesterol levels. Trans fats are used to extend the shelf life of processed foods, typically cookies, cakes, fries and donuts.
High-efficiency particulate arrestance (HEPA), also sometimes called high-efficiency particulate arresting or high-efficiency particulate air, is a type of air filter.
Dri EazÂ® 1st Stage Pre-filter F270 for HEPA 500. For use with the Dri-Eaz HEPA 500. The first-stage pre-filter uses synthetic fiber filter media rated at 10% efficiency. The filter captures the largest particles to help extend the life of the higher efficiency filters inside.Sold as single units.ri EazÂ® 1st Stage Pre-filter F270 for HEPA 500. For use with the Dri-Eaz HEPA 500. The first-stage pre-filter uses synthetic fiber filter media rated at 10% efficiency. The filter captures the largest particles to help extend the life of the higher efficiency filters inside. Sold as single units.