CARTRIDGE GUARD COLUMN EI, CARTRIDGES (2,1X10MM 2/PK) INERTSUSTAIN C8 5UM (2/pk)
https://www.manchesterbeacon.org/shop/rw2-5020-16118-cartridge-guard-column-ei-cartridges-21x10mm-2-pk-inertsustain-c8-5um-2-pk-313920
https://www.manchesterbeacon.org/web/image/product.template/313920/image_1920?unique=214b59f
This CARTRIDGE is guaranteed a GUARD with the use of COLUMN EI, and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days