Overview Reviews Product Description Opti-Protein XL Marker | E36G266 | EnoGene Product Videos Size Size 500 μl/100 loads Product Reviews Write a Review Write a Review × Opti-Protein XL Marker | E36G266 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *