Fronil is available in different formulations and products, each designed for specific applications. The most common types of fipronil include:

1. Fipronil Insecticides: These are commonly used for agricultural purposes, such as crop protection and pest control. Fipronil insecticides are available in the form of liquid concentrates or granules. They are applied to target areas such as fields, gardens, or ornamental plants to control a wide range of insect pests.

2. Fipronil-based Gel Baits: These are typically used for indoor pest control, particularly for managing cockroach infestations. The gel baits contain fipronil as the active ingredient, enticing and eliminating cockroaches effectively. The gel is placed in strategic areas where cockroaches typically forage, such as cracks, crevices, and other hiding spots.

3. Fipronil Spot-on Treatments: These are commonly used in veterinary medicine for flea and tick control on dogs and cats. Spot-on treatments contain fipronil as the active ingredient, and a small amount is applied directly to the pet's skin, typically at the back of the neck. It provides long-lasting protection against fleas and ticks.

4. Fipronil-based Termiticides: Fipronil is also used in termiticides, which are products designed to control termite infestations in buildings and structures. Fipronil termiticides are usually applied to the soil around the building or injected into the infested area, creating a protective barrier that kills termites upon contact.

5. Fipronil-based Shampoos and Sprays: These products are formulated for controlling fleas and ticks on pets. Fipronil-based shampoos are used for bathing the pet, while sprays can be applied directly on their fur, targeting the pests. They provide temporary relief and are often used in combination with other flea and tick control methods.