XCZ-075-PRF: 3/4” x 3/4” NPT ICZ-075-9V: 3/4” x 3/4” NPT/BSP XCZ-LF-100-PRF: 1” x 1” NPT The Low Flow Control Zone Kit is made specifically for drip irrigation systems; the unique patented design of the LFV allows it to effectively handle particles at low flow ...