16 สิงหาคม 2564
ผู้ชม 788 ผู้ชม
Provides simple, fast, economical method of pH measurement. Sharp color change for each 0.5 pH unit. Convenient for sample pH adjustments. Recommended for sewage water, not finished water. Five 4.6-meter (15') rolls per package.
Tel : 076-513100-4