
See the current low price, unit value, merchant options, and recent price history before you buy or set a drop alert.
Amazon Basics · 44 lb bag at $0.34/lb, 4% under its 90-day average.
Merchant rows include current price, subscription price where available, unit cost, and shipping notes.
Current best price is $0.69 below the 90-day avg. Chart starts at May 14 because that is the earliest observed point in this window. Recent range: $14.99 to $16.10.
Sorted by category match, unit-price proximity, pet type, and deal score so the comparison stays stable between visits.

FRONTLINE · 132 lb bag at $0.31/lb, 15% above its 90-day average.

Confirm pet type, weight range, age guidance, treatment duration, and active format before price.
K9 Advantix · 55 lb bag at $0.27/lb, holding near its 90-day average.

K9 Advantix · 55 lb bag at $0.27/lb, holding near its 90-day average.

Sentry Fiproguard · 88 lb bag at $0.41/lb, holding near its 90-day average.

Hartz UltraGuard · 30 lb bag at $0.43/lb, 2% above its 90-day average.

FRONTLINE · 88 lb bag at $0.47/lb, 8% above its 90-day average.