EXCELLENT - Model HM-SPE19 -Solid-Phase Extraction Device 19 Holes

1 Size: cylinder 300*100*188mm or 300*100*228mm( (L * W * H); 2 hole number: 19; 3 hole spacing: 27mm; 4 hole height and arrangement: upper and lower cross (front row height out of the panel 10mm, rear panel 20mm), front and back row cross not parallel; 5 waste disposal: at the bottom of the cylinder can be used to collect waste liquid, or during the vacuum, waste can be automatically collected by suction flask, waste liquid discharged from the valve; 6 channels: 2.5mm stainless steel, smooth flow. 7 vacuum pump: 40 L/min, no oil, automatic over heat protection, low noise <48 db. 8 suction flask: 1000 mL, vacuum pump, waste liquid entrance and waste liquid exit, a valve at pumping port, open the valve by press it vertically.