Harris Spider Killer is odorless and long lasting. In addition to spiders， it also kills flies， mosquitoes， and other insects. This crack and crevice spray will kill spiders once it has had a chance to dry. Indoor and outdoor applications. Always read and follow label directions before and during use.

Product Features: 

• Odorless Formula - Odorless and non-staining formula will not cause damage to fabrics when used according to label directions
• EPA Registered - Registered with the Environmental Protection Agency (No. 3-11) for indoor residential use
• Kills a Variety of Insects - Also effective for ants， roaches， Asian lady beetles， crickets， silverfish & more
• For Indoor/Outdoor Use - The spray can use used indoors and outdoors as long as it is applied according to label directions
• Kills Spiders When Spray Dries - The spray will kill once completely dried