Use Invitrogen mini precast gels with your existing gel tank

Benefits of the Invitrogen Tetra Electrophoresis Primary Core and Set are: Invitrogen Tetra Electrophoresis Cores are compatible with the Mini-PROTEAN Tetra cell tank from Bio-Rad, as well as similar tanks from other suppliers

The Tetra Electrophoresis Set offers you the flexibility to run one, two, three, or four high-performance Invitrogen precast protein gels at the same time and in the same tank

Simply add the Tetra Electrophoresis Primary Core (Cat.No. 1658037) or Tetra Electrophoresis Core Set (Cat. No. 1658040) to your qualifying gel order and use promotion code RTETRA1

Promo code cannot be used on orders with more than Tetra Core Primary or Tetra Core Set

Both the qualifying Tetra Core Primary and Tetra Core Set and promotion code MUST BE ADDED to your gels order

*Offer availble in Austria, Belgium, Czech Republic, Denamark, Finland, France, Germany, Hungary, Italy, Luxembourg, The Netherlands, Norway, Poland, Portual, Spain, Sweden, Switzerland and the UK only for orders placed until 31 December 2026 in connection with the products listed above and who either: purchase two (2) or three (3) boxes of qualifying Bolt mini gels or Novex WedgeWell mini gels or qualifying NuPAGE mini gels in a single purchase order at list price and include promotion code RTETRA1 for the Tetra Electrophoresis Primary Core (Cat. No. 1658037) or Tetra Electrophoresis Core Set (Cat. No. 1658040). Offer valid for qualifying orders received no later than 31 December 2026 or until promotional supplies are depleted, whichever comes first. Limited to one redemtion per order. Permitted to purchase more than once during the promotional period. Offer applies to list price in effect at the time order is reviewed. Cannot be combined with other discounts or promotions. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws or regulations, or agency/institutional policy. Other restrictions may apply.

**Promo codes cannot be used on orders with more than on Tetra Electrophoresis Primary Core or Tetra Electraphoresis Core Set, and promotion code must be added to your order. Choose your boxes of qualifying Bolt Bis-Tris, NuPAGE Bis-Tris, NuPAGE Tris-acetate, Novex Tricina, or Novex Tris-glycine (WedgeWell format) gels.

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