Compatible with Bison models:

BPT-44
BPT-67
BPT-93
BRR-21
BRF-21
BRR-46
BRF-46
BRR-71
BRF-71
BUF-48
BUF-60

Dimensions: 4"W x 3-1/2"L

For unites produced before 11/19/15