The Aprilaire Air Cleaner is never less than 94% efficient at removing disease-causing bacteria as small as 0.35 micron. No other whole-house air cleaner can reach more than 70% efficiency in trapping these tiny particles. Do you suffer from allergies? Often catch colds in the winter? Many of these may be caused by airborne contaminants such as cigarette smoke, pollen, bacteria, viruses, mold and dust. This Electronic Air Cleaner will provide you with much needed relief. Specs: Outside Dimensions: Housing is 17 3/4" x 28 1-8" x 11 1/2", overall length with power pack/door assembly is 17 3/4" x 31 1/8" x 11 1/2" Inlet Opening: 14 3/4" x 23 7/8" Outlet Opening: 14 3/4" x 24 7/8" PowerRequirements: 120 VAC 60Hz, unit equipped with 5 foot grounded cord with plug Current: 0.3 Amps maximum Weight: 35 pounds Media Filter #501. Availability: Usually ships in 2-3 business days. 5000$576.00 Schill's, llc 103 Curtis Street Arlington, WI 53911 Limited Hours Customer Service: 888-528-0225 Email: Info@Schills-Humidifier.com Fax: 608-592-3205 Manufacturer's Numbers: Aprilaire: 800-334-6011 Broan Fan/Heater Questions: 800-637-1453 Delta Faucet Questions: 800-345-3358 Grohe Faucet Questions: 630-582-7711 Hart & Cooley Questions: 616-656-8200 Kohler Faucet Questions: 800-456-4537 Moen Faucet Questions: 800-289-6636 Stiebel-Eltron: 800-582-8423