Ortho Home Defense MAX Insect Killer

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All About It

Don’t just kill bugs; create a bug barrier with Ortho® Home Defense MAX® Insect Killer for Indoor and Perimeter Ready-to-Use Spray.  Whether you have ants, spiders, roaches, or other home-invading insects, you can count on Ortho® to keep them out.  Simply spray Ortho® Home Defense MAX® around the perimeter of your home foundation.

Ortho® Home Defense MAX® provides up to 12-month protection (against ants, roaches, and spiders indoors on nonporous surfaces) and kills all commonly listed household bugs (refer to product label for a complete list of insects). It is non-staining, odor-free, and dries fast. This long-lasting bug barrier is ready-to-use right off the counter and provides the perfect sprayer for getting into those small, hard-to-reach areas. With 24 fl oz. of liquid, Ortho® Home Defense MAX® can even be used to spray larger areas both indoors and outdoors like kitchens, bathrooms, doors and windows, basements, garages, and around the home perimeter.

Why You'll Love It

  • Non-staining
  • Controls up to 12 months *Ants, roaches, and spiders indoors on nonporous surfaces
  • Creates a bug barrier
  • Kills ants, roaches, spiders, and many other listed, home-invading insects
  • Oder-free

How to Use It

  1. Shake well. 
  2. Set spray nozzle to an indoor setting. 
  3. Hold the sprayer 12 inches from the surfaces being sprayed.
  4. Apply a 4-inch band along the interior of your home in areas where insects are a recurring problem. 
  5. Spray until slightly wet, without soaking.

Apply indoors or outdoors according to label instructions. People and pets may re-enter the treated area after the spray has dried.

Can be applied both indoors or outdoors. Do not allow this product to contact water supplies. Do not spray into the air. Do not spray animals. Do not apply this product or allow it to drift to blooming plants if bees are visiting the treatment area.

The Specs

  • Brand Ortho
  • Category Weeds
  • Packaging Ready-To-Use Bottle
  • Net Contents 24 fl. oz.

For more product information, visit the Ortho® Home Defense MAX® Insect Killer page.

Shipping, Returns, & Guarantees

Free Home Delivery

We offer our own Home Delivery service! Check out the details on our Free Home Delivery page: 

Website Tips and Shipping Information

We also have traditional shipping options available if you need your package to be delivered outside of Alaska. Take a look at the information on our website through the link below: 

Return Policy


  • Unopened products may be returned with the original sales receipt

Opened/Used products are SUBJECT TO MANUFACTURER POLICY (If there is no manufacturer policy, we will be happy to return them as long as they are in like-new condition including all instructions and hardware, and accompanied by a receipt)

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