Flow pressure gauge for use on irrigation installation

We use pressure gauges and are estimating and irrigation installation as well as part of our service process for low pressure systems. The pressure flow gauge allows you to accurately read a gallons per minute at a specific operating pressure on the house system ensuring proper system function once installed. Here is a link for similar gauge https://www.amazon.com/shop/redudeman/list/2QYJG7DZRQO5J?ref_=cm_sw_r_apin_aipsflist_aipsfredudeman_1V2SRGDSDX37Y753FVA8