An exterior active radon mitigation system cleanly installed along a residential side yard. Featuring a professional inline radon fan and durable PVC piping, this system draws radon gas from beneath the foundation slab and safely vents it above the roofline to ensure a healthy indoor environment. System Type: Active Soil Depressurization (ASD) Components: External radon fan, electrical disconnect box, and roof-line exhaust stack Application: Residential radon reduction and indoor air quality protection