The Catchmaster Refill GloStik Tubes (919) is a portable ILT or Insect Light Trap that is battery operated. It's the ideal tool for fly management where power is not accessible. This LED based product is proven attractive for a wide range of flying insects including house flies, fruit flies, Indian Meal moths and more. This product provides great performance and allows full control in monitoring and eliminating flying insects whenever needed. This product is a refill tube for the GloStik Flying Insect Trap unit.