: One unit typically covers up to 1,200 square feet , but since ultrasonic waves cannot penetrate solid walls, most experts recommend one unit per room.

These platforms offer the widest variety of Pest Reject products, including multi-packs and the "Pro" version:

You can purchase Pest Reject products from several major online marketplaces and specialized stores, with prices generally ranging from depending on the pack size and model. Major Online Retailers