This is New, never opened 7500 Real-Time PCR Systems Spectral Calibration Kit, includes Catalog number 4349180 and 4351151
Used Calibration Kit also available 
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We can help if you have trouble with installation & replacement
We can fix your Bio-Rad instrument and parts
Ship your instrument to our facility (Delaware) to estimate repair cost (Free of charge)
If you need Bio-Rad service parts, we can offer a reasonable price
Most of the instrument no need to replace whole parts with high cost, we can fix the mainboard and save your money
Our repair service team worked in Bio-Rad for many years
We also do service contract for Bio-Rad instrument
Please contact us for quotation
All repaired instrument covered 90 days warranty.