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New from Vornado! The Air Quality System 500, whole room air purifier. Draws air in through two High Allergen / Maximum Dust air filters trapping Pollen, Pet Dander, Bacteria, Mold Spores, Dust Mite Debris and Smoke Particles. The Vornado Air Purifier uses Vortex Technology to fully circulate the air in the room...

Replacement filter for Vornado AQS25 & AQS35 air cleaners. Replace your HEPA Filter every 2-4 years with regular use. Used in Vornado Air Cleaners to remove 99.97% of airborne irritants that pass through the filter including pollen, dust, mold spores, pet dander, smoke, odors and more.

From Los Angeles to the Amazon, the demands of human populations are changing the face of the planet. This series provides a comprehensive, global overview of major environmental questions. Hosted by Meryl Streep and filmed on every continent, the programs focus on solutions, constructive ideas and new approaches from leading scientists, economists, politicians, and environmental activists...

The award-winning producers of NOVA--and renowned astrophysicist Neil deGrasse Tyson--bring you the very latest in cutting-edge science with NOVA scienceNOW. This episode of NOVA scienceNOW covers: The Science of Picky Eaters, Capturing Carbon, Smart Sea Lions and Talking Walruses, and Profile--Sangeeta Bhatia.

NATURE OF THINGS WITH DAVID SUZUKI: VOL.1: VISIONS OF FUTURE / Region Free DVD / Special Features: Interactive Menus/Chapter Search, Theatrical Trailer / Cast: David Suzuki / 2-disc box set that includes five 45 minute documentaries / Now on DVD, the first volume of the award-winning The Nature Of Things with David Suzuki, Canada's longest-running documentary series, cuts through the hype to bring you the latest stories from the frontlines of science and the environment ASIN: 7802491584 DVD Region Code: 0