This product is a basic tool used in fish farms to measure the flow of water, the temperature and pressure. The flow meter can be mounted at the end or in-line of a hose or pipe. Each GPI water-flow meter comes with an LCD screen to give the farmer a clear reading. There is no required previous technological knowledge to use this product; the simplicity is what makes this product so efficient. There are no additional costs to operate it after purchase and installation, The flow meter is made out of reliable materials such as tungsten carbide, stainless steel and ceramic so replacement would be rare.