Answers, Product Information, Returns and Privacy Statement


First Strike Products has never produced products
( capsules, powders ) that are intended for use in the mitigation treatment or prevention of disease in animals or affect the structure or function of the body of animals, we do not manufacture medication. 

Competitor Warning:


We have seen an influx of individuals selling rather "cheap" products on eBay. Often we find the supporting information to be incorrect promising abilities far beyond the active ingredients capabilities. The products offered are questionable with prices that fall below sensible business practices, quality and listing practices. They do not provide contact information nor have a supporting website. Please be aware.

Know the Enemy!


Credit to Jennifer Kvamme, DVM


When it comes to eliminating fleas from your pet and from your home, there are some key things to consider. First, it is very important to be familiar with and understand the life cycle of the flea when you are trying to eradicate their presence completely.


There are four stages in the life cycle of a flea: egg, larva, pupa, and adult. Depending on the environmental temperature and humidity levels, the total life cycle will take anywhere from a couple of weeks to many months. Optimal conditions for fleas are between 70-85°F and 70 percent humidity.




The beginning of the life cycle occurs when an adult female flea lays eggs following a blood meal from the host (e.g., your pet). Blood is necessary for the adult flea to reproduce. These eggs are small, white objects (slightly smaller than a grain of sand) that are laid in the pet’s fur in bunches of about 20. A single adult female can lay about 40 eggs every day.


The eggs will fall off your pet as s/he moves, allowing them to be disbursed throughout the environment where your pet spends his or her time. Eggs represent about one-half (50 percent) of the entire flea population present in an average home.


Eggs take anywhere from two days to two weeks to develop, hatching when environmental conditions are just right for them. If temperatures are cold and dry, the eggs will take longer; if temperatures are warm and humidity levels are high, the eggs will hatch at a faster rate. Larvae then emerges as the next life stage.




The emerging larvae are blind and will avoid being out in the light. They develop over several weeks by eating pre-digested blood (known as flea “dirt”) that adult fleas pass, along with other organic debris in the environment.


In appearance, flea larvae can be up to ¼-inch long and are white (almost see-through) and legless. Larvae make up about 35 percent of the flea population in the average household. If conditions are favorable, the larvae will spin cocoons in about 5-20 days of hatching from their eggs. This leads to the next life stage, called the cocoon or pupae stage.




The pupae stage of the flea life cycle accounts for about 10 percent of the flea population in a home. This cocoon stage is the last developmental stage before the adult flea emerges. The cocoon protects the pupae for several days or weeks before the adult flea emerges. If environmental conditions are not right for emergence, the cocoon can protect the developing flea for months, and in some cases, years.


Cocoons have a sticky outer coating that allows them to hide deep in the carpeting and not be easily removed by light vacuuming or sweeping. The cocoon also serves to protect the developing adults from chemicals.


The adult flea will not emerge until the presence of a potential host is made obvious - by vibrations, rising levels of carbon dioxide, and body heat. This may be triggered by your pet walking by, or people moving in the house, alerting the flea to emerge from its cocoon to feed.


Adult Fleas


Once a flea has emerged from the cocoon, it will need to begin feeding from a host within a few hours. Shortly after the first meal, adult fleas will breed and begin laying eggs within a few days. Female fleas are not able to lay eggs until they obtain a blood meal.

New adult fleas have a flat bodied appearance and are very small and dark in color. Once they have had a chance to feed off your pet, they will become larger and lighter in color, taking on the more recognizable flea shape. Adult fleas account for less than 5 percent of the entire flea population in a home. They spend the majority of their time living on the host while they feed, breed, and lay eggs, and can live anywhere from a couple of weeks to several months on the host animal.


Eliminating Fleas


Use your knowledge of the flea life cycle to eliminate an infestation. Treat the environment properly by vacuuming regularly for several weeks and thoroughly washing bedding and toys in hot soapy water to remove eggs, larvae, and pupae. Remember to seal and remove vacuum bags after a cleaning session. You can even encourage faster emergence of the remaining pupae with a humidifier and an increase in the home temperature. Once all the hibernating pupae have emerged, you can make sure they are all destroyed. The household can be (cautiously) treated with sprays and foggers.


Treat the adult fleas living on your pet with shampoos, sprays, dips, or spot-on medications. If you have any questions or concerns, especially in regards to your pet’s health or age, your veterinarian can help you make the best decision for treating your pet.


Fleas can be difficult to eliminate, but if you are vigilant and use the correct chemicals in a safe and effective manner, you will be victorious. Just be sure to treat all the areas where your pet spends time, including the car and yard.



Can you suggest Flea treatments for my home? PDP could, but there are so many forms of flea and tick control, Natural to Professional. You must decide what is in your budget and what you are comfortable with using around you home, pets and other people. A general search on internet can reveal some simple and safe methods.


Have you treated your own animals with this?
Yes, we have. I know this product works very well, consistently. We also provide our product to shelters with amazing feedback of our products effectiveness.


The product is not working! There are several factors that can be an issue. Did you treat your home and yard for fleas? Did you treat all your pets? Did you clean your home thoroughly before and after treatments to remove flea eggs? If you let your pets outside in a un-treated yard they will be re-infested with fleas. Removing fleas from your home and yard sometimes requires multiple treatments. 


What food does this work best with? Wet food "chicken flavor" or your pets favorite, be sure to mix well.


How log does the Flea Killer product last? Flea killer works as soon as 30 minutes and up to 48 hours, generally 24 hours it is most effective time period. 


How often can I give my pets Flea Killer? A second dose can be given after 48 hours however if your pet is still attracting fleas you have an infestation elsewhere that needs to be addressed.


How log does the Flea Control product last? Flea control works up to 30 days depending on your pets diet and weight. 


The fleas keep coming back what should I do? It is possible your home still has fleas eggs laying about. It might be necessary to try other in home flea sprays / foggers  or much more thorough cleaning methods also it is very possible your yard is infested also and will need to be treated. Yes, fleas can get through screens.
Can I just give my Cat or Dog the whole capsule? For Dogs yes if you place it in a treat but its best to mix with wet food. For Cats, No, the product works best when mixed with wet food.
Does "Generic" mean it does not work as well as Capstar or Program? No, the main ingredients are exactly the same.

How long do Fleas live?  Up to 6 months but usually 20 days. The eggs can live up to a year! It is very possible that missed flea eggs will cause future issues and it is easy to miss those hiding places! It's best to treat you pet as needed or at least every month. 


Can I use this product with other Flea killers or Control? Possibly, to err on the side of caution I would use only one product at a time or after the Flea Killer 24 hour period is up. Monitor your animal for any usual behavior. Never mix any medications. Flea Shampoos are okay in small doses. Topical treatments and collars can cause illness in your pet, discontinue use if you see any odd behavior or excessive drooling or lethargy.

Returns and guarantees: Pet Defender Products offers returns on undamaged and unused products within 14 days. Your purchase is protected by Pay Pal buyer services. If you like, we also sell on eBay for your convenience. However our Prices here are better on this site. Open or used products are partially refunded. We do not refund shipping or international orders.

Return and Privacy Policy

International shipping: At no time are we resposible for lost, stolen, taxed or confinscated items. Buyer shuld be aware of laws or tax polices of buyers own country. Any shipping outside of the United States of America is not covered by insurance in the cost of the item or shipping fees. WE ARE NOT RESPOSIBLE FOR THE LOSS OF AN ITEM(s)


Our refund policy is 15 Days. Unfortunately we can’t offer you a refund or exchange after this period. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer.


Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.


Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at:


Our products are shipped within 2-3 Days using the following carriers:   UPS . To return your product, you should mail your product to:P.O. Box 1062, RIVERVIEW FL United States 33568. You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $50, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.




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By giving us such information, you will need to consent by using it in the manner described in this policy.

You may withdraw your consent at any time by emailing us at . We will return or destroy your personal information within five days of receipt of your withdrawal of consent.




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