Blendtec FourSide JarBA-R40-609-99The Blendtec FourSide Jar BA R40 609 99 is a professional grade 1. 9L BPA free blending jar designed to deliver efficient, smooth, and consistent blending results. As the original Blendtec jar design, the FourSide shape creates a powerful blending vortex that forces ingredients down into the blades reducing blend time and improving texture. Made from BPA free Tritan copolyester, this jar is lightweight yet incredibly strong, built to withstand heavy