Overall score for the 3M Filtrete Filtrete 1550 is mainly how well the model removed dust and smoke from a test chamber, plus quietness for room purifiers and airflow resistance for whole-house units.

A model that scores well for dust removal should perform comparably for pollen. Overall score for the Filtrete Odor Reduction Carbon is mainly how well the model removed dust and smoke from a test ...

Our best overall, the 3M Filtrete Micro Allergen Defense, filters out a wide range of particles and comes in a range of sizes. But there are several others on our list also worth considering.

All sizes of the TV are on sale, with the smallest 55-inch model down to $1,250 from $1,800, for savings of $550, and the largest 85-inch model down to $2,450 from $4,000 for savings of $1,550.

This story appears in the July 2016 issue of National Geographic magazine. French admiral Claude d’Annebault knew his political career was in trouble. Once a top adviser to King Francis I, he ...

A key base during the New Kingdom Era of 1550 to 1070 BC on the Western War Road, according to Mohamed Ismail Khaled, secretary general of the Supreme Council for Archaeology, the fort was ...