VEVOR Turbidity Calibration Solution Kit, 20/100/400/800 NTU, 20 ml Each, 4 PCS Standard Turbidity Solution Refill for TN1000 Turbiditymeter

Item Model Number: TN200-1 Calibration Value: 20NTU, 100NTU, 400NTU, 800 NTU Volume: 0.7 oz / 20 ml Net Weight: 0.34 lbs / 0.155 kg Dimensions: 1.18 x 1.18 x 2.76 in / 30 x 30 x 70 mm