Rating:
98% of 100

Starting at $35.75

SKU
D-Fense-SCgroup
D-FENSE (Defense) SC (Compare to Suspend SC) is a concentrated suspension of pure microcrystals of the active ingredient Deltamethrin.
Pro Tips
We sell more D-Fense SC than any other insecticide. It's good for inside and out, it's odorless and economical. One application every 3 months is the norm for this product. D-Fense SC will not work well on German roaches. Use a roach bait called Vendetta Roach Bait or Invict Gold Roach Bait, instead.
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Customer Reviews

Items 1 to 10 of 179 total

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  1. Amazing results
    Quality
    100%
    I think this stuff works on almost all bugs. Had a major ant problem outside near our pool, and this wipes them out immediately, and they don't return. Also clover mites, spiders, and beetles.

    Review by AT

    Posted on

  2. Doesn't kill Bedbugs
    Quality
    100%
    This has always been my go to insecticide for everything. It kills roaches, fleas, and about everything else. And it's low/no odor. Food surface safe. You can even spray it on a mattress. "But I wouldn't recommend it." Either way it seems safer than most other insecticides.
    That being said. It doesn't kill Bedbugs. It doesn't even slow them down. If you spray this in a house full of Bedbugs prepare to be eaten alive by thousands of angry agitated Bedbugs.
    I found that a mix of Bifin, Clyfluthrin, and Premethrin works best outside. "We have Bedbugs blowing in from nearby Chicken Houses."
    We use Zenprox mixed with IGR inside as a base board spray. Alpine plus on the beds. And Once we're done we soak the whole house with Isopropyl alcohol with a small pump up sprayer from Dollar General.
    I have used Bedlum plus inside the outlets. That works too. But that stuff is very toxic to the touch. Don't get carried away with it.

    With any insecticide be sure to read the label. Especially if you have a pregnant woman in the house or children. As far as I've read. This is one of the safest to use.

    Review by Chris

    Posted on

  3. Outstanding!
    Quality
    100%
    Outstanding results. Our screened in porch was becoming a haven for stink bugs this year and sealing cracks didn’t make a difference. We were using can after can of a flying pest spray that worked but was (a) expensive and (b) a pain since we had to jump up and spray individual bugs. I stumbled across D-Fense after looking at this site and ordered the small bottle. It worked great! A few weeks ago I mixed it in my weedkiller spray bottle, sprayed all the wood surfaces inside and out, and we’ve not had a live bug since. Dead ones? Yep. Live ones? Nope. No mess, no smell, easy to use. Excellent.

    Review by StinkbugSteve

    Posted on

  4. Great product
    Quality
    100%
    We got this to deal with some rather large beetles and a few American cockroaches that started wandering into the house. For the first few days after applying we saw a few dying bugs lying around in the morning, but no healthy live ones strolling around. Then even the dying ones stopped showing up after a week or two. It's been a life-changer.

    Review by agnostic

    Posted on

  5. Great product
    Quality
    100%
    We spray indoors and out. Great results and no odor.

    Review by Grandpa

    Posted on

  6. fantastic
    Quality
    100%
    I looked up my old review for this product. 2/28/19. Close enough to 1 year later I want to update how fantastic this product is. I mixed 1 gallon, put it in a spray bottle and over 3 consecutive days sprayed all around the interior of my windows until there was none left. Now, 1 year later, without an additional application, it is still killing them dead. I am waiting for a few good days in a row for another application just to renew it's effectiveness even though it's still working. Nothing beats this stuff. I am going to start mixing it with Bifren, also another wonderful product from DIY as soon as spring breaks next month.

    Review by Bob L

    Posted on

  7. Bye ladybugs
    Quality
    100%
    Used to get hundreds of ladybugs in the house every winter. Sprayed the exterior and surroundings of the house and haven't seen a ladybug. Fantastic product.

    Review by Alan

    Posted on

  8. D Efence
    Quality
    80%
    Roaches didn't have a chance - knocked em dead. Fire ants didn't seem to mind it at all.

    Review by Genomeno

    Posted on

  9. This Stuff Really Works!
    Quality
    100%
    Stinkbugs and ladybugs galore! Found this insecticide on the Internet, read the reviews, and decided to order and try it out for myself. Oh my! Very easy to apply. The ladybugs don't last long with this stuff. Plan on sweeping off the dead bugs as there will be hundreds of them - everywhere! Haven't seen a stinkbug in the house since using this product. We even used this on our camper as we continually battled with stinkbugs getting in. You will not be disappointed; this stuff really works! PS - I rarely give reviews but when a product works, I want others to know about it.

    Review by Roberta

    Posted on

  10. Overall a good product
    Quality
    80%
    Product works great on many pests, But here in South Florida where I live we have what a lot of us old folks call ghost ants. They seem to come and go with different weather's. Those are what I really wanted to get rid of. Not they're still here. Don't destroy anything, they're just irritating.

    Review by Emily

    Posted on

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