Check the listing for details. ATAGO PALETTE UG ALPHA 3464 RETROFACTOR. Condition: New – Open box. Listed at 799.99 USD. Unused Atago retrofactor Palette UG-alpha shipping is $20 The ATAGO PALETTE UG ALPHA 3464 Retrofactor is a high-quality lab refractometer designed for precise measurements in various industrial and medical applications. With the trusted brand of ATAGO, this model offers reliable performance and accuracy. The retrofactor feature allows for easy and efficient cleaning, ensuring the device remains in top condition for extended use. This product is essential for healthcare, lab, and dental professionals looking for precise refractometric measurements.