They include physical attractiveness, proximity, similarity, and reciprocity: 1  Physical attractiveness: Research shows that romantic attraction is primarily determined by physical attractiveness. 2  Peopleâs perception of their own physical attractiveness also plays a role in romantic love. 3  Proximity: People are more likely to become friends with 4  ... S
Filox water filters are a filter medium specifically created for lowering the levels of manganese, iron and hydrogen sulfide from well water. Filox filters are superior performers to other filter media due to the productâs notably high manganese dioxide percentage.
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.