Designed to work with any indoor space that has easily accessible HVAC supply ducts. Continuously and efficiently purifies the air of the targeted area. Each unit covers 1250 square feet, but multiple units can be installed to cover larger space. Safe for use in spaces occupied by people and pets. Provides continuous air purification in real time 24/7. Reduces airborne contaminants and allergens. Requires installation by HVAC professional or electrician. Limited 1-year warranty, 3-year warranty with registration.Dimensions: 8-1/2"H x 8-1/2"W x 11"DWeight: 3 Lb.