Restriction Set 0.5mm to 2.0mm (PVC)

10 PVC Nozzle Inserts 0.5-2.0mm to push into ST-160 Hose Tail. nozzle sizes/dosage amount: 0.5mm = 0.5% chemical 0.6mm = 0.8% chemical 0.7mm = 1.0% chemical 1.0mm = 2.5% chemical 1.1mm = 3.0% chemical 1.2mm = 4.0% chemical 1.3mm = 5.0% chemical 1.5mm = 8.0% chemical 1.7mm = 10.0% chemical 2.0mm = 13.5% chemical