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3 MONTH Spectra Sure Plus for Cats of All Weights

Item: SP0111141
Availability: In Stock
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Spectra Sure IGR for Cats of All Weights

Using the same proven flea control ingredients as Frontline Plus, Spectra Sure IGR provides effective control of flea, tick and chewing lice infestations. Fipronil is capable of attacking adult fleas and ticks on contact, while (S)-Methoprene halts fleas from passing the egg and larvae stages of life.

Full Pest Protection
Flea Life Cycle

Using the dual action of Fipronil and (S)-methoprene IGR (insect growth regulator), Spectra Sure will effectively break the flea life cycle. This formula will kill adult fleas, flea eggs, flea larvae and prevent the development of pupae for up to three months. Not only effective against fleas, Spectra Sure also controls mites, ticks and chewing lice.

The importance of controlling pests goes beyond relieving a nuisance, it may also help to prevent infections. Mites may cause sarcoptic mange, while ticks have been linked to the transmission of Lyme disease. Fleas may also be a source of flea allergy dermatitis.

Safe Protection

Spectra Sure is safe to use on kittens over 8 weeks of age including those that may be breeding, pregnant or lactating. This resilient formula remains effective after bathing and exposure to water and sunlight.

Package Contents

Box includes three 0.50-milliliter tubes of Spectra Sure IGR for cats.





Other Ingredient**




**diethylene glycol monoethyl ether

Spectra Sure IGR
for Cats of All Weights
  • This product is comparable to Frontline.
  • Kills Fleas, Ticks, Chewing Lice, Flea Eggs, Flea Larvae
  • Easy to use
  • Fast acting
  • Waterproof
  • Long Lasting
  • For use on cats over 8 weeks of age
More Info
Got Fleas?

A product guide to flea
and tick products.

Flea Facts You Should Know

Interesting flea facts to help your
pets be pest free.

Fleas: Understanding the Enemy

All about fleas and prevention.


Helpful information on ticks and your

FAQs about Fleas and Ticks
Find Spectra Sure in the size and quantity you need:
All Weights
Up to 22 lbs
23 to 44 lbs
45 to 88 lbs
89 to 132 lbs
3 month
6 month
12 month
3 month
6 month
12 month
3 month
6 month
12 month
3 month
6 month
12 month
3 month
6 month
12 month



Fipronil seeps into the cells of adult fleas and ticks and blocks chlorine molecules from passing through. This causes paralysis of the insect leads to its death, and can be spread from one to another.


Methoprene kills flea eggs and larvae by interrupting normal levels of growth hormone which prevents juvenile fleas from growing and molting.

Active Ingredients % by Weight
Fipronil 9.8%
(S)-Methoprene 11.8%
Other Ingredients* 78.4%
Total 100%
*diethylene glycol monoethyl ether

Hazards to Humans

Harmful if swallowed. Causes eye irritation. Avoid contact with skin, eyes or clothing. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco or using the toilet.

Harmful to Domestic Animals

For external use only. Do not use on kittens under 8 weeks of age. Individual sensitivities, while rare, may occur after using any pesticide product. Some cats may experience temporary startle effects when any product is applied. Cats may experience some temporary irritation at the site of product application. If signs persist, or become more severe within a few days of application, consult a veterinarian immediately. If your cat has an unusual reaction to the initial application, consult a veterinarian before repeating treatment. Certain medications can interact with pesticides. Consult a veterinarian before using on medicated, debilitated or aged cats.

Useful Information

Directions for Use

1. Remove product tubes from the package.

2. Separate one tube from the others. Holding the tube with notched end pointing up and away from the face and body, cut off the narrow end at the notches with scissors.

How to apply

1. Invert tube over dog and use open end to part dog's hair.

2. Apply contents of one tube of Spectra Sure IGR as a spot between the shoulder blades. Squeeze tube firmly to apply all of the solution to the cat's skin.

6 Step Checklist

1. Read the entire label completely and follow directions.

2. Weigh your pet.

3. Do not use dog products on cats.

4. Do not treat with more than one pesticide product at a time.

5. Separate animals after treatment to avoid chance of ingestion.

6. Do not split tubes between pets.

Frequency of Use

Use Spectra Sure IGR monthly for complete control of flea, ticks and chewing lice infestations. Studies show that Spectra Sure IGR kills adult fleas for up to 6 weeks. Apply monthly if your cat is at high risk for flea reinfestation. Apply monthly to control ticks and chewing lice. Spectra Sure IGR remains effective, even after bathing, water immersion, or exposure to sunlight. Allow treated area to dry thoroughly. Do not reapply for 30 days.


It is a violation of Federal law to use this product in a manner inconsistent with its labeling.
Do not allow children to apply product. To prevent harm to you and your cat, read entire label before each use. Follow all directions and precautionary statements carefully. For external use on cats only. Do not use on rabbits. Do not use on other animals.

Do not use on kittens under 8 weeks of age. Do not split one tube between dogs. Do not use multiple tubes on one cat. Consult a veterinarian before using this product on debilitated, aged, or medicated cats. Can be used on breeding, pregnant, or lactating cats. Consult a veterinarian before using on dogs with known organ dysfunction. Cats may experience some temporary irritation at the sire of product application. Certain medications can interact with pesticides. Sensitivities may occur after using any pesticide product on cats. If signs of sensitivity occur, bathe your cat with a mild soap and rinse with large amounts of water. If signs continue, consult a veterinarian immediately.

Customer Q&A

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