Univen rubber blender o-ring gasket seal compatible with Waring blenders. Package of three blender gasket seals. Compatible with Waring blender models BB140P, BB140S, BB150PT, BB150ST, BB15DP, BB15DS, BB15PC, BB15RP, BB15SC, BB160, BB160S, BC140P, BC140S, 31DM59, 31DM64, 32BL22, 34BL91, 35BL15, 35BL41, 35BL42, 35BL82, 35BL86, 36BL70, 36BL72, 36BL82, 36BL93, 51BL13 and 51BL35. Compatible with Waring part numbers 06890 and CAC56. Compatible with Waring blender jars part numbers CAC29 and CAC37. This Made in USA seal is perfect for heavy duty, food service or laboratory use. A common replacement part, this seal sits between the top of the blade and the bottom of the jar. Only one seal is needed per blender. This is a high quality seal which is superior to the original seal. This American made seal is non-toxic, and is made of food safe EPDM rubber. Measures 2.187" (5.6cm) inside diameter x 2.895" (7.4cm) outside diameter. Quality part by Univen, a family owned American business.