Proteiva Refractometer Program

The Makers of Proteiva Functional Proteins have partnered with Sper Scientific to offer free domestic ground shipping on their Model 300001 and 300010 Sugar Brix Refractometers. To receive free shipping on your order, please use the Proteiva coupon code “calf” during online checkout.

For more than 25 years, Sper Scientific has been a leading supplier of environmental measurement instruments used by science and industry to measure a wide range of environmental parameters. All Sper Scientific optical refractometers come with a 5-year manufacturer warranty and 30-day money back guarantee.