Item number

Product name

Specification

Packing specifications

amount per box

B526

Test tube cover (wing type)

12mm

2000 pieces*10 bags

20000

B527

Test tube cover (wing type)

13mm

2000 pieces*10 bags

20000

B528

Test tube cover (wing type)

15mm

500 pieces*20 bags

10000

B529

Test tube cover (wing type)

16mm

500 pieces*20 bags

10000