Harris Scorpion Killer, Liquid Spray with Odorless and Non-Staining Extended Residual Kill Formula (Gallon) Kills Scorpions When Spray Dries - The spray will kill once completely dried and continues to kill scorpions weeks after application Great Value - 1 Gallon allows for repeated applications on an on-going basis to effectively eliminate scorpions Odorless Formula - Odorless and non-staining formula will not cause damage to fabrics when used according to label directions EPA Registered - Approved for use in homes with people and pets by the Environmental Protection Agency (No. 3-11) Extended Trigger Sprayer - Use the included trigger sprayer to effectively treat areas where scorpions are hiding