

🚫🐜 Defend your domain with invisible, year-round bug protection!
Ortho Home Defense Insect Killer is a 1.33-gallon spray that provides up to 12 months of protection against a wide range of household insects including ants, roaches, spiders, and more. Featuring a battery-powered Comfort Wand for easy continuous application and an odorless, fast-drying Invisi-Shield formula, it’s designed for both indoor and perimeter use to create an invisible barrier that keeps bugs out. Highly rated and trusted by thousands, it’s the professional’s choice for hassle-free, long-lasting pest control.




























| Active Ingredients | bifenthrin 0.05% |
| Best Sellers Rank | #12 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Insect & Pest Repellent Sprays |
| Brand | Ortho |
| Customer Reviews | 4.5 out of 5 stars 74,417 Reviews |
| Item Form | Spray |
| Liquid Volume | 1.33 Gallons |
| Target Species | Insects |
| UPC | 071549022150 |
T**A
The best, best, BEST product ever!
This is truly the best product I have ever used, and I will absolutely be buying it again. First of all, it works on ALL types of insects. I’ve seen it take care of spiders, roaches (even the small ones), and even worm-like bugs. No matter what kind of creepy crawler it was, they’re gone. In the beginning, I would see a lot of dead bugs, but after that, nothing. And if I ever find anything now, it’s already dead. I have not seen a single live bug in my home since using this. I recently moved into an older house, and from day one there were so many bugs, especially roaches. I tried different methods before, but nothing fully worked. Spiders were especially hard to get rid of. After applying this product along all the baseboards, the upper corners between the walls and ceiling, around exterior doors, and even outside around the windows, everything completely changed. It’s also extremely easy to use. The built-in handle makes the application so simple and convenient. No complicated setup, no mess, just spray and you’re done. Another huge plus: it has absolutely no smell. None at all. And it does NOT leave any residue behind, so there’s nothing to clean afterward. That was very important to me. The bottle is large and lasts a long time. I personally reapply it every 2–3 months (not daily), and I still have plenty left. Most importantly, it gives me so much peace of mind. I really don’t like insects at all, and knowing my home is protected makes such a difference. Highly, highly recommend!
S**.
IT WORKS VERY WELL - IF YOU USE IT CORRECTLY
This is a solid product. This is not designed for infestations or ant hills. It is a product designed to prevent entry of insects into your residence and eliminate individual insects that have entered. While this may help the odd case of colonized insects, it really is made for those solo runners that snuck in when you weren't looking. If you have an infestation or a mess, your insects are doing more than entering your house, they are living in it. Perhaps if it was sprayed around the house like the floors were being watering your floors it would work on infestations...but, PLEASE DON'T DO THAT, it wasn't designed for that use nor was that dosage tested for human/animal exposure. Consider calling an exterminator for infestations (100s+, colonies, groups of insects, etc.). And as for ant hills, either remove them, or buy poison for ant mounds. Are there ant hills in your home? That seems like a different problem. After you've taken care of cleaning things up, then protect your residence from the entry of new insects. You'll see this product is WONDERFUL FOR THE JOB. I've used it for years, one home in a very wooded, shaded area, one home in the south. Works like a charm...spraying as others have mentioned...seasonally. This product works by leaving a residue, so if what you spray it on (baseboard, perimeter of home covered in leaves in the fall, edge of home outside, etc.) is cleaned, blown away, excessively rained on...some or all of that residue will be removed...particularly overtime. Be aware of your specific situation and adjust your application frequency accordingly. IF YOU CREATE A BARRIER, THEY WILL NOT ENTER. (Read the label for all the insects covered...it's extensive.) 1. Clean up your outside and inside space a little of non-permanent items, pulling things from the perimeter (toys, anything that shouldn't be on the floor or ground basically). Eliminate debris and items in which insects hide, make webs, etc. 2. Spray the OUTSIDE perimeter and along the border of every door and window. 3. Spray the INSIDE perimeter, along the base boards, of your whole house (closets, pantries, bathrooms included). Then spray a barrier between rooms (around the door frame). Lastly, I understand the frustration that might occur if your wand or applicator never came. Exchange it with Amazon, try a spray bottle, etc. I've been using this with pets. Label says that IT MUST DRY BEFORE IT IS OK WITH PETS. Please remove them from the area while you apply. If you have a pet roach or tarantula I don't know what to tell you. All the best, and good luck with your application.
S**E
It is working perfectly
We are having a huge issue with boxelder beetles both inside as well as outside of our house. The sprayer was easy to figure out how to use (I couldn't find any instructions, so I had to just wing it). I like that it is ready to use and no mixing needed. I have a huge two-story house and with one large container I was able to cover all that I needed to and fully drench those areas. I even went back the next day and did it again in the heavily infested areas. Lots of dead bugs so I know that it is working. It doesn't seem to leave any residue or staining on my dark house color. I didn't use it inside my home, but it says you could. I was able to get into tight spaces with the wand as well as it was comfortable to use. I will definitely be buying this product again when I need more.
G**H
Effective Pest Control with Minor Drawbacks
Ortho Home Defense Insect Killer is a reliable solution for keeping common household pests at bay. It effectively targets ants, roaches, spiders, and other listed insects, providing long-lasting protection when applied correctly. The Home Depot +4 YouTube +4 Amazon +4 ✅ Pros: Effective Pest Control: Kills a wide range of insects, including ants, roaches, spiders, fleas, ticks, scorpions, beetles, silverfish, centipedes, and millipedes. Long-Lasting Protection: Provides up to 365 days of protection on non-porous surfaces. Ease of Application: Comes with a Comfort Wand that allows for easy application without bending or pumping. Amazon Amazon +1 The Home Depot +1 ⚠️ Cons: Mixed Results on Effectiveness: Some users have reported that the product is less effective on certain pests or in specific conditions. Battery Operated Wand Issues: A few customers have experienced issues with the battery-operated spray wand, including short battery life and inconsistent spray patterns. The Home Depot +1 The Home Depot +1 💡 Tips for Best Results: Apply to Entry Points: Focus on spraying around doorways, windows, and other potential entry points to create a barrier against pests. Reapply as Needed: While the product offers long-lasting protection, reapplication may be necessary in areas with high pest activity. The Spruce +7 Ortho +7 Reddit +7 Final Verdict: Ortho Home Defense Insect Killer is a solid choice for homeowners seeking an effective and easy-to-use pest control solution. While there are some minor drawbacks, its overall performance and convenience make it a worthwhile option for maintaining a pest-free home.
L**S
Great product and it works! Minimal Bugs Seen
This product really works! It helps keep the bugs away especially in between seasons.
M**N
Great for DIY bug control
Great product for DIY bug control. I have used this product for many years and I look for sale prices when I can get them. This works great for along exterior window sills and along perimeter of home. Works great for crickets and other bugs and some ants. Product can/should be mixed with water or another bug product if needed. Very little smell, light yellow in color depending on the ratio mixture used, so can be used interior under cabinets and areas around doors where bugs may try to enter the home. Does not kill wasps or hornets but is a deterrent especially when mixed with a strong mint scent.
T**A
Decent Insect Killer, but Hit or Miss Performance
I’d call this insecticide average overall. It definitely has its strengths, but also a few frustrating downsides. On the plus side, it’s effective at killing ants, roaches, and spiders, and I like that it’s odorless. I used it around the kitchen baseboards and outside near my patio door, and it knocked out a small trail of ants almost immediately. I also sprayed a few corners in the basement where I’ve seen spiders, and it seemed to keep them away for a while. The ease of use is great, just spray and go and I appreciate that it’s cheaper than hiring a pest control service. The quality feels solid, and when it works, it really works. Some customers mentioned it lasts up to a year, but in my case, I’d say the effect wore off after about two to three months. So, the longevity isn’t quite what’s advertised, at least not for me. My biggest gripe is with the sprayer itself. The nozzle on my bottle stopped working properly after a few uses. Sometimes it wouldn’t spray at all, or it came out in uneven bursts, which made it annoying to apply evenly. I had to transfer the liquid into another spray bottle just to finish using it.
L**E
It works very well
My daughter and I both use this at our separate homes. I spray outside and inside twice a year and I don’t have any bugs at all. This saves a lot of money considering the cost of exterminator contracts. Both of us have new construction homes that had LOTS of bugs until we started using this.
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2 weeks ago
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