Centurion Pro DBT2 Accessory Kief Tumbler Replacement Part CP-17001Make sure that nothing goes to waste by adding the Kief Filter Screen upgrade to your DBT. This upgrade essentially gives you two machines in one. After you?? ve completed your batch trim, remove your trimmed flower, swap out the DBT tumbler with your Kief Filter Screen tumbler and run the trim from your trim bin. Compatible with the DBT Model 2.