Are you looking for professional and practical laboratory test paper strips? , ! Our products can meet your needs. The package contains multiple filter strips, ample and convenient. Filtration is fast and produces clear pigment separations. Suitable for research experiments, scientific research, etc. Features -Color: White -Material: Cotton -Size: About 7.50X2.80cm/2.95X1.10inches -Value set: The package contains multiple filter strips, ample and convenient. -Compact size: Perfect size for separation experiments and other uses. -Strong water absorption: Used for water absorption, cleaning and dust removal. -Fast filtration: Filtration is fast and produces clear pigment separations. -Various scenarios: Suitable for research experiments, scientific research, etc., suitable for scientific experiments. Package list: 500 x Chromatography Paper Strips