ZWILLING Enfinigy is the revolutionary new electrics line that mixes German engineering and innovation with a fresh, sleek design. This gorgeous line combines modern aesthetics with high-performance features and the longest warranties in the industry. Accessories can be added to many of the products for even more robust functionality.This BPA-free 48 fluid ounce Tritan jar with attached cross blade and companion vacuum lid is designed for use with the Power Blender. The vacuum lid works with the Fresh & Save vacuum food storage system. The center plug of the vacuum lid can be swapped out for the tamper plug to convert the vacuum lid into a traditional blender lid.