The WILGER 8 ROW SPRAY MONITOR ASSEMBLY-3/8" x 1" T spray monitor is a useful flow indicator during the application of liquid chemicals and fertilizers. The spray monitor illustrates any flow blockages or overages even when you can't see any outlets. The Wilger flow monitor is constructed of clear poly with 8 monitoring chambers on a manifold. The monitor has a 3/8 inch 90 degree swivel hose barb that will work with a 1" FNPT inlet. Simple set up and go system that ensures you can see plugs or burst lines to maintain a consistent liquid application.