Leviticus 11:33

11:33 As for any clay vessel they fall into, everything in it will become unclean and you must break it.

Leviticus 15:12

15:12 A clay vessel which the man with the discharge touches must be broken, and any wooden utensil must be rinsed in water.

Hebrews 9:9-10

9:9 This was a symbol for the time then present, when gifts and sacrifices were offered that could not perfect the conscience of the worshiper. 9:10 They served only for matters of food and drink and various washings; they are external regulations imposed until the new order came.