Prophenophos 40% + Cypermethrin 4% is a combination insecticide product used to control a wide range of pests, including:

- Insects (such as aphids, whiteflies, and caterpillars)
- Mites
- Leafminers

Prophenophos is an organophosphate insecticide that works by disrupting the nervous system of insects, while Cypermethrin is a pyrethroid insecticide that works by disrupting the insect's nervous system and muscle function.

This combination product is used to control pests in various crops, including:

- Vegetables
- Fruits
- Cotton
- Rice
- Wheat