K-Rain KP7001-FPR40-KIT Drip Zone Kit with 40PSI Pressure Regulator 1" NPT Valve with stainless steel Y-filter. The K-Rain Drip Control Zone Kit contains all the components necessary for automatic filtration and pressure-regulated control of a low-volume drip irrigation zone when connected to an irrigation controller. Manufactured with the highest quality components, this durable control zone kit protects the system from high-pressure water sources and debris to ensure years of reliable operation. The foundation of the K-Rain Drip Control Zone Kit is the heavy-duty ProSeries100 valve matched with a durable stainless steel filter.