Thank you for your interest in our high resolution IEF GELS. Our IEF gels are made for high resolution protein isoelectric focusing by Serva Electrophoresis. IEF gels are precast and available for isoelectric focusing proteins with isoelectric points between pH 3-10 and pH 4-7. If you have questions, can’t find what you need, or want us to source it for you, please ask. We're here to help.