GY/VGD-200-C3H8O-G(0-100ppm)
GUOYUGRA GY/VGD-200-C3H8O-G (0-100ppm) Isopropanol Detector
NBCLab takes or designs pictures, and embezzlement is strictly prohibited
[Statement] The pictures are for users' reference. Due to product upgrading or shooting level, please refer to the real object