Because Archer can be used indoors

Orthene PCO Insecticide targets and kills pest insects that have grown resistant to other pesticides

such as dandelions

How Velpar 75 DF Herbicide Works

Gentrol Aerosol IGR (Insect growth regulator) Size:16 oz Can EPA Reg. No. 2724-484 Because Archer can be usedHow Gentrol IGR Aerosol Works Gentrol IGR Aerosol contains hydroprene, an insect growth regulator that prevents larvae from progressing to the pupal stages. Therefore, the larvae die before they can evolve into breeding adult pests. It also affects adult bed bugs and cockroaches, making them incapable of reproducing and causing further infestations. In addition, Gentrol stimulates egg bearing female cockroaches and causes them to leave their shelters