Seresto Flea & Tick Collar for 2 (16-mos.

Seresto Flea and Tick Collar for Dogs, 8-Month Flea and Tick Collar for Large Dogs (Over 18 Pounds), 2 Pack

Seresto Elanco Vet-Recommended Flea & Tick Prevention Collar for Large Dogs, Count of 2, 2 CT - 0724089116642