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Flea Plus IGR Trigger Spray

Flea Plus IGR Trigger Spray is a spray-on formula for easy and long-term control fleas and ticks on dogs and cats. Features fipronil and an insect growth regulator to get fast and long lasting control of fleas on pets for up to 30 days. Formerly known as FLEE Trigger Spray.
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FLEE Trigger Spray product page
Min : 23.57 - Max : 23.57
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Price as of
09/08/25
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Flea Plus IGR Trigger Spray (formerly known as FLEE), manufactured by CSI, is an effective flea killing spray that is a must have for pet owners who want to relieve their pets from irritating flea infestations.

This trigger spray can be safely sprayed directly on the animal to immediately kill adult fleas which may be on the pet.

Flea Plus IGR Trigger Spray also contains methoprene which is an insect growth regulator which inhibits the growth of eggs and flea larvae, keeping them from hatching for up to 30 days. This is a highly recommended product when tackling fleas on your pet and around the home.

Tools Needed

Flea Plus IGR Trigger Spray comes ready to use with no other tools needed for its application.

How to Use

  • Step 1: When opening Flea Plus IGR Trigger Spray, do not hold or pull the trigger. To open, up on the nozzle tab and turn the nozzle a quater turn. Spray approximately 1 to 2 sprays of Flea Plug IGR Trigger Spray (approximately 0.06 to 0.12 oz.) per pound of the pets body weight. Do not get this product into your pets eyes or mouth.
  • Step 2: While wearing rubber gloves, hold the Flea Plug IGR Trigger Spray in a up-right position. Ruffle the pets hair with one gloved hand while applying the spray to the pets back, sides, abdomen, legs, shoulders, and neck. Apply spray until pet's hair is damp to thoroughly wet. Pets with long or dense hair require multiple sprays. 
  • Step 3: Apply Flea Plus IGR Trigger Spray when 30 days have passed after first application and continue treatment monthly for year-round protection. Wash your hands and exposed skin thoroughly with soap and water after use and dispose of gloves after use as well. May provide 90 day flea protection for dogs.

Where to Use

Flea Plus IGR Trigger Spray can be used on the skin of cats, dogs, kittens and puppies above 8 weeks of age. 

Do not use on kittens and puppies under 8 weeks of age. 

When to Use

Use Flea Plus IGR Trigger Spray when your pet is suffering from itchy flea or tick bites. It can be used to help prevent fleas, spray before taking pets outdoors or on a walk.

Safety Information

Flea Plus IGR Trigger Spray is safe to use around children and pets when applied according to the product label instructions. Always wear the appropriate personal protective equipment (PPE) when handling and applying this product.

Do not allow children to apply product.

Special Considerations

Flea Plus IGR Trigger Spray may be effective in killing fleas on your pets but will not address an infestation totally.

Use only on cats and dogs. Do not use on rabbits or any other animal.

Spray remains effective after bathing and exposure to sunlight and water. 

AvailabilityOnline
Restricted UseNo
Shipping Restrictions16 Ounce: AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
BrandCSI
Keith's Pro Tips"When using Flea Plus IGR Trigger spray, make sure to read the label thoroughly. I recommend that you apply this product on a regular basis and treat your environment in order to eliminate your problem."
Product DrawbacksMay be difficult to apply.
Target PestsFleas, Ticks, Brown Dog Ticks, American Dog Ticks, Lone Star Ticks, Flea Eggs, Flea Larvae, and Deer Ticks.
Application EquipmentGloves
Application MethodsSpot Treatment
Active IngredientFipronil 0.29%, and S-Methoprene 0.27%
Product TypeInsect Growth Regulator
FormulationReady-To-Use
Application RateFlea Plus IGR Trigger Spray comes ready to use with no mixing needed. Spray approximately 1 to 2 sprays of Flea Plug IGR Trigger Spray (approximately 0.06 to 0.12 oz.) per pound of the pets body weight.
Shelf LifeFlea Plus IGR Trigger Spray will last up to 3 years when stored properly in a cool, dry space inaccessible to children and pets. Keep away from fire, sparks, and heated surfaces.
YieldOne Flea Plus IGR Trigger Spray bottle can treat up to 266 pounds' worth of pet body weight.
Use SitesOutdoors
Time to KillFlea Plus IGR Trigger Spray kills existing fleas within 5 minutes and continues to treat pests up to 30 days after treatment.
Comparable ProductsPetcor 2
EPA Registration #87093-8-53883
More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
Availability Online
Signal Word CAUTION
Keith's Pro Tip "When using Flea Plus IGR Trigger spray, make sure to read the label thoroughly. I recommend that you apply this product on a regular basis and treat your environment in order to eliminate your problem."
Target Pests Multi American Dog Ticks, Brown Dog Ticks, Deer Ticks, Flea Eggs, Flea Larvae, Fleas, Lone Star Ticks, Ticks
Time to Kill Flea Plus IGR Trigger Spray kills existing fleas within 5 minutes and continues to treat pests up to 30 days after treatment.
Chemical Type Insect Growth Regulator
Formulation Ready-To-Use
Application Methods Spot Treatment
Product Drawbacks May be difficult to apply.
Active Ingredient Fipronil 0.29%, and S-Methoprene 0.27%
Application Equipment Gloves
Mix Rate Flea Plus IGR Trigger Spray comes ready to use with no mixing needed. Spray approximately 1 to 2 sprays of Flea Plug IGR Trigger Spray (approximately 0.06 to 0.12 oz.) per pound of the pets body weight.
Use Sites Outdoors
Yield One Flea Plus IGR Trigger Spray bottle can treat up to 266 pounds' worth of pet body weight.
EPA Registration No. 87093-8-53883
Shelf Life Flea Plus IGR Trigger Spray will last up to 3 years when stored properly in a cool, dry space inaccessible to children and pets. Keep away from fire, sparks, and heated surfaces.
Comparable Products Petcor 2
Children or pets? No
Property Characteristics Food-Bearing Plants, Streams/Ponds/Lakes

*Price does not include freight. We guarantee our rate plus shipping will be less than anyone else's price.

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