Special Features
11 line scale with 5th line marked 0.5 and 10th line marked 1.0 and 11th (top) line marked 101 (no significance) on right side; 3 line scale with same numbers on left side; dilution ratio is 20: 1 at 0.5 and 10: 1 at 1.0; accurate to +/- 1%; with rubber tubing and suction piece
