CARTRIDGE GUARD COL;UMN E, CARTRIDGE (4,0X 10 MM) 2/PK, INERTSPHERE SUGAR-1 5UM (2/pk)
https://www.manchesterbeacon.org/shop/rw2-5020-19048-cartridge-guard-col-umn-e-cartridge-40x-10-mm-2-pk-inertsphere-sugar-1-5um-2-pk-313913
https://www.manchesterbeacon.org/web/image/product.template/313913/image_1920?unique=214b59f
This CARTRIDGE is guaranteed a GUARD with the use of COL;UMN E, and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days