Air King 9723 20-Inch 3-Speed Box Fan, White & Aerostar 20x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")

• Product 1: 20-inch, 3-speed fan great for use in any area where space is limited Product 1: Permanently lubricated 1/25-horsepower motor Product 1: Impact-resistant grills to protect the blades for long-lasting durability Product 1: 8-foot, 3-conductor type SPT power cord Product 2: Nominal size: 20x20x1. Actual size: 19 3/4"x 19 3/4" x 3/4". This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10 Product 2: Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria Product 2: Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months Product 2: 100% synthetic electrostatic media for high efficiency with low air flow resistance