Hartz Dog Flea & Tick Collars

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Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8
Slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supply) slide 8 of 8

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Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supp...

Rated 4.1 out of 5 stars
518
$5.57 Chewy Price
($5.57/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply) slide 8 of 8

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Hartz UltraGuard Flea & Tick Collar for Dogs, up to 26" Neck, 1 Collar (7-mos. supply)

Rated 4.2 out of 5 stars
331
$3.78 Chewy Price
($3.78/ea) Price per Unit
$3.87 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 1 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 2 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 3 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 4 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 5 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 6 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 7 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 8 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 9 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 1 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 2 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 3 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 4 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 5 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 6 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 7 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 8 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 9 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 1 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 2 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 3 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 4 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 5 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 6 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 7 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 8 of 9
Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) slide 9 of 9

Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply)...

Rated 3.9 out of 5 stars
697
$7.92 Chewy Price
($7.92/ea) Price per Unit
$7.97 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 8 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 1 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 2 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 3 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 4 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 5 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 6 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 7 of 8
Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply) slide 8 of 8

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Hartz UltraGuard Flea & Tick Collar for Dogs, up to 20" Neck, 1 Collar (7-mos. supply)

Rated 4 out of 5 stars
319
$3.87 Chewy Price
($3.87/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz Ultra Guard ProMax Flea & Tick Collar for Dogs, 2 collars (12-mos. supply), Gray

Rated 3.7 out of 5 stars
691
$31.77 Chewy Price
($15.89/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hartz UltraGuard Plus Flea & Tick Collar for Dogs, Medium & Large Breeds, 1 Collar (7-mos. supp...

Rated 3.9 out of 5 stars
97
$8.47 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Out of Stock
Bundle: Hartz UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos....
Rated 2.6 out of 5 stars
5

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Save 5% on repeat deliveries

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