Agilent SEC-5 Guard 7.8 x 50 mm, 5 µm Column 5190-2530This column is Brand New. Opened for Pictures. Includes Calibration Report & Original Box. Agilent Bio SEC 5, 300, 7. 8 x 50 mm, 5 m, guard 60 Day Warranty! Agilent Price: $693 PN: 5190 2530 Brand Agilent Bio SEC 5 Guard Column Yes Hardware SS Inner Diameter (ID) 7. 8 mm LC Platform Stainless Steel Length 50 mm Maximum Temperature 80 C Molecular Weight Lower Limit 5000 Da Molecular Weight Upper Limit 1250000 Da Part Number Application Domain Biopharma