SCOTTS ORTHO HOME DEFENSE INSECT KILLER FOR INDOOR & PERIMETER₂
Best long-term pest solution for busy homeowners seeking easy indoor protection.
Ortho Home Defense Insect Killer is a ready-to-use refill for your Comfort Wand applicator, providing effective pest control for both indoor and outdoor areas. This formula targets and eliminates common household pests like ants, roaches, spiders, fleas, and ticks. It creates a protective bug barrier, offering up to 12 months of defense against ants, roaches, and spiders on non-porous indoor surfaces. Featuring Invisi-Shield Technology, it dries quickly and clearly without fumes, making it ideal for use around foundations, patios, decks, kitchens, and bathrooms for lasting pest prevention.
$17.99
Owner Satisfaction
4.6
/ 5
Category Rank
357
/ 1717
#357 in Pesticides
Price vs Category Average
-60%
Below average
Active Ingredient 1
0.0500
/ Bifenthrin at %
Who it's for
- Users wanting effortless application over large areas
- Budget-conscious shoppers needing one solution for indoor and outdoor use
- Homeowners seeking long-term pest prevention with minimal maintenance
Who should skip it
- Sensitive individuals bothered by chemical scents or visible surface residue
- Pet owners and parents prioritizing chemical-free living spaces
- Value-focused buyers preferring concentrated formulas for large properties
Performance breakdown
Residual Protection
Industry-leading barrier longevity keeps common household pests at bay for months.
Application Convenience
The Comfort Wand system makes perimeter spraying effortless and highly precise.
Formula Versatility
Effectively handles a wide variety of indoor and outdoor crawling insects.
Surface Compatibility
Dries clear and odorless, leaving no unsightly residue on home surfaces.
Weather Resilience
Lacks rain resistance, requiring reapplication after significant outdoor precipitation.
Safety Profile
Requires careful handling to keep children and pets away during application.
Key Specs
Active Ingredient 1
Bifenthrin at 0.0500%
Active Ingredient 2
Zeta-Cypermethrin at 0.0125%
Container Size
1.1 Gallon (140.8 fl oz)
Coverage Area
Up to 12,000 sq ft
Residual Effect
Up to 365 days
Application Method
Ready to Use
Product Form
Liquid Spray
Application Location
Indoor, Outdoor, Perimeter Barrier
Features
- Up to 12 months of indoor pest protection
- Kills and prevents a wide range of insects
- Dries fast and clear with no fumes
- Easy application with Comfort Wand system
- Effective for indoor and outdoor use
- People and pets can re-enter after drying
- Ready-to-use liquid refill
What customers say
Customers highly regard this insect killer for its powerful, fast-acting formula that eliminates a wide range of pests like ants and spiders. A key benefit is the long-lasting residual barrier, providing months of preventative defense. Users especially value the Comfort Wand applicator, which makes treating large perimeters easy and reduces hand strain. While some note a strong initial odor and a higher initial cost, the extended protection duration confirms its excellent long-term value. This robust performance solidifies its status as a highly recommended solution for effective, reliable home pest management.
Know before you buy
On non-porous indoor surfaces, this formula provides a residual barrier that defends against ants, roaches, and spiders for up to 12 months.
While the product is not classified as child or pet safe, people and pets may safely re-enter the treated area once the liquid has completely dried.
No, this formula is not rain-resistant. You should apply it on a dry day and allow enough time for it to fully dry before any potential rainfall to ensure effectiveness.
This specific item is a refill container. It is designed to be used with your existing Comfort Wand system, so it does not include the battery-operated wand itself.
No. The formula features Invisi-Shield Technology, which dries quickly and clearly. It also has a low-odor profile, making it suitable for use in kitchens and bathrooms without lingering fumes.
It is effective against a broad range of common household pests, including ants, roaches, spiders, fleas, ticks, mosquitoes, and termites.
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