Home Slickdeals Bayer Seresto Flea and Tick Collar for Large Dog – Amazon Subscribe... Slickdeals Bayer Seresto Flea and Tick Collar for Large Dog – Amazon Subscribe & Save $40.84 By ARCOM - 22 March 2018 185 0 SHARE Facebook Twitter Go to the deal page: Bayer Seresto Flea and Tick Collar for Large Dog – Amazon Subscribe & Save $40.84