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🚫🦗 Keep bugs out, style in—defend your domain with invisible power!
Ortho Home Defense Insect Killer Refill is a 1-gallon, ready-to-use liquid formula that kills over 20 types of household insects. Featuring Invisi-Shield Technology, it dries clear and odorless, creating a protective barrier indoors and outdoors that lasts up to 12 months. Designed for easy application with the Comfort Wand, it offers professional-grade pest control for kitchens, bathrooms, foundations, patios, and more—perfect for proactive homeowners seeking hassle-free, long-lasting bug defense.











| Active Ingredients | Bifenthrin, Zeta-Cypermethrin |
| Asin | B0CJMKM3TD |
| Best Sellers Rank | #10 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #5 in Pest Control Accessories |
| Brand Name | Ortho |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,542) 4.6 out of 5 stars |
| Included Components | Insect Killer |
| Item Form | Liquid |
| Item Type Name | Insect Killer |
| Liquid Volume | 1 Gallons |
| Manufacturer | Scotts Miracle Gro |
| Model Number | 4660005 |
| Part Number | 4660005 |
| Target Species | Insects |
| Unit Count | 128.0 Fluid Ounces |
| Upc | 071549000622 |
User
Works Well and Easy to Apply - Good for Preventative Use
I’ve been using this as a refill for the Ortho Home Defense system, and it’s been working really well.It’s easy to use with the wand, and I like that you can apply it both indoors and around the perimeter of the house without a complicated setup. I haven’t had any issues with leakage.I mainly use it as a preventative treatment, and it does a good job keeping bugs from becoming an issue in the first place.It dries fairly quickly and doesn’t leave a strong smell, which is important when using it inside.The gallon size is a nice quantity and also lasts a while, so it’s a good value if you’re treating multiple areas.I think that this is a reliable option for home pest control that’s simple to apply, effective, and great for keeping bugs under control before they become a problem.
User
Affordable & works every time!
The best & longest lasting bug spray i know of. From ants to scorpions, gets them all. Been using this about 2 decades now.
User
Best Preventative Eradicator
I've used this stuff for years by way of an old roommate who swore by it. It works so well, safe indoors even with pets, you just have to let it dry first. I use it inside and outside to keep the critters away. I have even recommended this to loved ones who tried "everything" for a recurring bug problem and the next time I visited them, this was in the closet and not a unwelcome creature in sight!
User
Works well!
I have sprayed this inside and outside twice a year for many years. I have yet to see a crawley that is alive. It doesn't smell bad and it is a good value.
User
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+4YouTube+4Amazon+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.AmazonAmazon+1The 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+1The 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+7Ortho+7Reddit+7Final 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.
User
Works well if used regulary.
I use the product inside and outside the wall perimeter and it helps keep bugs.
User
Better Than Expensive Professional Service
Home Defense is the only brand I use now. I used to pay for professional insect control service, but it became way too expensive. After switching to Home Defense, I will never go back. As soon as insects walk through the sprayed areas, it kills them quickly and effectively. It dries fast, leaves no residue behind, and works great both indoors and outdoors. This product has saved me money and works just as well, if not better, than professional treatments.
User
Great insect killer.
Works great...kills bugs just as advertised
User
ممتاز
Effective
User
ابوظبي
ممتاز
User
Complete Waste of Money
Very disappointing product. It is not worth even 10 dirhams. Completely ineffective and a waste of money. I do not recommend
User
If no other choice
Cockroaches become more healthy no one told me that this is a vitmins for cockroaches such a waste of money never buy
User
Quality of product
After reading reviews I ordered for my flate because i have cockroach issues in kitchen even applying 2 time result is zero not recommended at all
Trustpilot
2 months ago
2 months ago