Best Hartz Cat Flea Collars in 2026

Increased Efficiency: The COTTARRICKS Cat flea collar enjoys an improved formula which works against a wide variety of ticks, fleas and eggs. Unlike similar products on the market, this collar acts by preventing the tick from biting, instead of killing it post-bite, contributing to a better protection of your pet!

Adjustable Length: This tick and flea control for Cats is suitable for Cats of all breeds and sizes, from small, medium or large. The adjustable length design is easy to cut to desired size, for a comfortable and lightweight fit!

Veterinarian recommended.

Non-greasy, odorless, easy-to-use.

DOG FLEA COLLAR - PROVEN EFFECTIVE: Kills adult fleas before they lay eggs and adult ticks for up to 6 months. Repels mosquitoes* for up to 6 months (*Excluding California)

DOG FLEA COLLAR - EASY TO USE: Adjustable; one-size-fits-all; just cut to size. Wetting will not impair the collar's effectiveness or the dog's protection from fleas, ticks, and mosquitoes* (*Excluding California)

DOG FLEA COLLAR - LONG LASTING: 6 months protection with one collars in each pack

ODORLESS PREVENTION - Our collar is an odorless, non-greasy alternative to topical treatments.

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your pup and cut the excess length off. Our collar fits large dogs that are 12 weeks and older.

WATER-RESISTANT - This collar is water-resistant and remains effective following swimming or after exposure to rain. This collar can be worn with a regular collar.

LONG-LASTING CONTROL - The collar features sustainable release technology for flea and tick control for up to seven months.

PERFORMANCE PROVEN - Since 1975, Adams products offer prevention and protection for flea and tick control that you can rely on.

PET, HOME, AND YARD - 5% of fleas live on your dog while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

ODORLESS PREVENTION - Our collar is an odorless, non-greasy alternative to topical treatments.

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your cat or kitten and cut the excess length off. Our collar fits small, medium, and large cats that are 12 weeks and older.

WATER-RESISTANT - This collar is water-resistant and remains effective following swimming or after exposure to rain. This collar can be worn with a regular collar.

CONTINUOUS RELEASE OF ACTIVE INGREDIENTS - Each collar features an extended-release technology, which transfers the active ingredients to your cat’s hair and skin over a 7-month period.

PET, HOME, AND YARD: 5% of fleas live on your cat while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

Kills fleas, ticks, flea eggs, and flea larvae

Breakaway collar

Kills fleas up to 8 months

ODORLESS PROTECTION - Our collar is an odorless, non-greasy alternative to topical treatments

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your pup and cut the excess length off; our collar fits small dogs that are 12 weeks and older

WATER-RESISTANT - This collar is water-resistant and remains effective following swimming or after exposure to rain, the collar can be worn with a regular collar

LONG-LASTING CONTROL- The collar features sustainable release technology for flea and tick control for up to seven months

PERFORMANCE PROVEN - Since 1975, Adams products offer prevention and protection for flea and tick control that you can rely on

PET, HOME & YARD - 5% of fleas live on your dog while the remaining 95% live in your home or yard; Complete your flea and tick control system with Adams Pet, Home, and Yard products

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

Odorless, non-greasy, easy to use prevention

Adjustable, water resistant collar

✅NO MESS TREATMENT AND CONTROL - effective against Fleas - larvae, lice, Ticks and Mosquitoes. This flea product for cats was designed to be HELPFUL either for small medium size or extra large pets.

✅SUITABLE FOR ALL SIZES - the rolf club collar in pack is easy adjustable, maximum length 15.7 inches. Provide veterinarian level of care at an affordable and fair price.

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your pup and cut the excess length off. Our collar fits small, medium, and large dogs that are 12 weeks and older.

WATER-RESISTANT - These collars are water-resistant and remain effective following swimming or after exposure to rain. The collar can be worn with a regular collar.

CONTINUOUS RELEASE OF ACTIVE INGREDIENTS - Each collar features an extended-release technology, which transfers the active ingredients to your dog’s hair and skin over a 6-month period.

PROVEN PERFORMANCE - Since 1975, Adams products offer prevention and protection for flea and tick control that you can rely on.

PET, HOME, AND YARD - 5% of fleas live on your dog while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your pup and cut the excess length off. Our collar fits small, medium, and large dogs that are 12 weeks and older.

WATER-RESISTANT - These collars are water-resistant and remain effective following swimming or after exposure to rain. The collar can be worn with a regular collar.

CONTINUOUS RELEASE OF ACTIVE INGREDIENTS - Each collar features an extended-release technology, which transfers the active ingredient to your dog’s hair and skin over a 6-month period.

PROVEN PERFORMANCE - Since 1975, Adams products offer prevention and protection for flea and tick control that you can rely on.

PET, HOME, AND YARD - 5% of fleas live on your dog while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

✅NO MESS TREATMENT AND CONTROL - effective against Fleas - larvae, lice, Ticks and Mosquitoes. This flea product for cats was designed to be HELPFUL either for small medium size or extra large pets.

✅SUITABLE FOR ALL SIZES - the rolf club collar in pack is easy adjustable, maximum length 15.7 inches. Provide veterinarian level of care at an affordable and fair price.

LONG-LASTING: Each highly durable dog collar gives continuous flea and tick protection for 6 months. This means a full year of protection when you purchase a two pack.

EASY APPLICATION: Our three step process is simple: 1) Take flea collar out and separate from pull tab string. 2) Loosely fit collar around dog's neck, insert end through buckle, and adjust for fit. 3) Cut off excess collar after fitting, leaving 1-2 inches for adjustments.

NO MESS APPLICATION: ProMax UltraGuard collars are a secure and convenient alternative to monthly topical treatments

ONE SIZE FITS ALL: The adjustable collar accommodates dogs of all sizes

DESIGNED FOR DOGS: Specially designed for dogs, our Flea + Tick Repellent collar is free of Phthalates & PVC, is water resistant, and has an adjustable neck sizing up to 20 inches.

ALL OVER PROTECTION: Vet’s Best Flea + Tick Repellent Collar for Dogs repels fleas and ticks and protects your dog from the unpleasant itching and side effects of flea infestation.

DOG FLEA COLLAR - EASY TO USE: Adjustable; one-size-fits-all; just cut to size. Wetting will not impair the collar's effectiveness or the dog's protection from fleas, ticks, and mosquitoes* (*Excluding California)

DOG FLEA COLLAR - LONG LASTING: 6 months protection with one collars in each pack

SAFETY FEATURE: Breakaway safety release snap on all flea collars. Made for cats 12 weeks and older.

PETS ARE FAMILY: PetArmor Flea and Tick Home products help you confidently protect your furry family member from fleas and ticks at home without a visit to the vet.

BREAKAWAY COLLAR: This collar features a pre-determined breakaway point to allow your cat to escape if snagged

ONE SIZE FITS ALL: The adjustable collar accommodates cats of all sizes

ODORLESS PREVENTION - Our collar is an odorless, non-greasy alternative to topical treatments.

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your cat or kitten and cut the excess length off. Our collar fits small, medium, and large cats that are 12 weeks and older.

WATER-RESISTANT - These collars are water-resistant and remains effective following swimming or after exposure to rain. This collar can be worn with a regular collar.

CONTINUOUS RELEASE OF ACTIVE INGREDIENTS - Each collar features an extended-release technology, which transfers the active ingredients to your cat’s hair and skin over a 7-month period.

PET, HOME, AND YARD: 5% of fleas live on your cat while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

LONG-LASTING: Each highly durable dog collar gives continuous flea and tick protection for 6 months. This means a full year of protection when you purchase a two pack.

EASY APPLICATION: Our three step process is simple: 1) Take flea collar out and separate from pull tab string. 2) Loosely fit collar around dog's neck, insert end through buckle, and adjust for fit. 3) Cut off excess collar after fitting, leaving 1-2 inches for adjustments.

LONG-LASTING: Each highly durable dog collar gives continuous flea and tick protection for 6 months. This means a full year of protection when you purchase a two pack.

EASY APPLICATION: Our three step process is simple: 1) Take flea collar out and separate from pull tab string. 2) Loosely fit collar around dog's neck, insert end through buckle, and adjust for fit. 3) Cut off excess collar after fitting, leaving 1-2 inches for adjustments.

ONE-SIZE-FITS-ALL - Completely adjustable, simply find the paw-fect fit for your pup and cut the excess length off. Our collar fits small, medium, and large dogs that are 12 weeks and older.

WATER-RESISTANT - This collar is water-resistant and remains effective following swimming or after exposure to rain. The collar can be worn with a regular collar.

CONTINUOUS RELEASE OF ACTIVE INGREDIENTS - Each collar features an extended-release technology, which transfers the active ingredients to your dog’s hair and skin over a 6-month period.

PROVEN PERFORMANCE - Since 1975, Adams products offer prevention and protection for flea and tick control that you can rely on.

PET, HOME, AND YARD - 5% of fleas live on your dog while the remaining 95% live in your home or yard. Complete your flea and tick control system with Adams Pet, Home, and Yard products.

CONTACT US: We value our consumer feedback and questions. Visit our website to contact the Adams customer care team

Easy and Comfortable to Wear: Buckle the collar around your pets neck, make sure there is enough room for at least two fingers and then remove the extra length. The ZingZap flea collar is so light that your pets will not feel any weight when wearing it.

All-Weather & Waterproof: Because the active ingredients are built into the material, the ZingZap Flea and Tick Collar withstands any weather condition and is waterproof. The effectiveness of the collar does not decline and nothing affects its performance. You can surely let your pet wear the collar while bathing, swimming or even playing in the rain with peace of mind knowing that they are protected.

Water-Proof Solution - Dogs are free to splash and play! Collar's repellent effects will not wash away in, or around, water.

Cleaner Solution - Natural active ingredients offer a healthier alternative to synthetic products made with pyrethrins or permethrins.

Pair & Protect - Use with other TropiClean Natural* Flea & Tick Products such as Max Strength Shampoo or Home Spray for additional pest protection.

European Made - Manufactured with care in France.

For use on dogs 4 months and older.

TropiClean Pet Products offers a full range of naturally derived dog and cat products including TropiClean Grooming Products, SPA by TropiClean, TropiClean OxyMed, TropiClean PerfectFur, TropiClean Enticers, and TropiClean Fresh Breath Oral Care and Dental Products.

Contains one (1) TropiClean Natural* Flea and Tick Repellent Collar for Large Dogs.

SOOTHING NATURAL SCENT WILL REPEL TICKS & FLEAS FROM YOUR PET! Our waterproof and rainproof natural flea and tick collar for cats has a light and soothing essential oil scent that will help keep fleas and ticks at bay. Product has natural oils, so if you feel like the scent is overwhelming at first, you can leave the collar out for 24-48 hours and then use it on your kitty!

100% NATURAL FLEA & TICK PREVENTION FOR CATS OR YOUR MONEY BACK! That’s our unconditional guarantee! You can try our eco-friendly and adjustable natural tick collar for cats for 30 days and if you’re not 100% thrilled, we promise to offer you a prompt and full refund! Plus, we proudly donate a portion of our profits to charities that help protect the rights, welfare and habitats of animals. For more information on our donations program, you can contact us anytime!

NO MESS APPLICATION: ProMax UltraGuard collars are a secure and convenient alternative to monthly topical treatments

ONE SIZE FITS ALL: The adjustable collar accommodates dogs of all sizes

DESIGNED FOR CATS: Specially designed for cats, our Flea + Tick Repellent collar comes equipped with a safety break away feature, adjustable neck sizing up to 20 inches, and is water resistant.

ALL OVER PROTECTION: Vet’s Best Flea + Tick Repellent Collar for Cats repels fleas and ticks and protects your cat from the unpleasant itching and side effects of flea infestation.

DOG FLEA COLLAR - PROVEN EFFECTIVE: Kills adult fleas before they lay eggs and adult ticks for up to 6 months. Repels mosquitoes* for up to 6 months (*Excluding California)

DOG FLEA COLLAR - EASY TO USE: Adjustable; one-size-fits-all; just cut to size. Wetting will not impair the collar's effectiveness or the dog's protection from fleas, ticks, and mosquitoes* (*Excluding California)

DOG FLEA COLLAR - LONG LASTING: 6 months protection with one collars in each pack

✔ Water resistance collar - The dog flea collar provides waterproof function that will allow your pets to play with water all day, while the flea collar will still repel fleas and tick as a true flea control collar.

✔ Missona flea collar is your satisfaction - We guarantee the quality of our flea collars. It is important to us that you have a great experience with Missona dogs flea and tick collars. If for any reason you are unsatisfied with our anti flea for dogs, please do not hesitate to contact us and we ensure that you are refunded for your purchase.