$22.46 $22.46 View... Advantage Purple Cats Over 8.8lbs (4kg) - 4 Pack $30.45 $30.45 View... Advocate Cats Over 8.8lbs (4kg) - 3 Pack $28.27 $28.27 View... Advocate Cats Under 8.8lbs (4kg) - 3 Pack $52.22 $52.22 View... Advocate Cats Over 8.8lbs (4kg) - 6 Pack $53.67 $53.67 View... Advocate Cats Under 8.8lbs (4kg) - 6 Pack $23.92 $23.92 View... Advantage Blue Dogs Over 55lbs (25kg) - 4 Pack $39.16 $39.16 View... Advocate Dogs Over 55lbs (25kg) - 3 Pack $71.09 $71.09 View... Advocate Dogs Over 55lbs (25kg) - 6 Pack $23.19 $23.19 View... Advantage Red Dogs 22-55lbs (10-25kg) - 4 Pack $32.63 $32.63 View... Advantix Dogs Over 55lbs (25kg) - 4 Pack $32.63 $32.63 View... Advantix Dogs 22-55lbs (10-25kg) - 4 Pack $36.98 $36.98 View... Advocate Dogs 22-55lbs (10-25kg) - 3 Pack $60.21 $60.21 View... Advocate Dogs 22-55lbs (10-25kg) - 6 Pack $44.24 $44.24 View... Revolution Teal Dogs 44-88lbs (20-40kg) - 3 Pack $23.19 $23.19 View... Advantage Aqua Dogs 8.8-22lbs (4-10kg) - 4 Pack $29.72 $29.72 View... Advantix Dogs 8.8-22lbs (4-10kg) - 4 Pack $32.63 $32.63 View... Advocate Dogs 8.8-22lbs (4-10kg) - 3 Pack $53.67 $53.67 View... Advocate Dogs 8.8-22lbs (4-10kg) - 6 Pack