---
product_id: 410441652
title: "Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. – Apply to Cracks and Crevices for Up to 8 Months of Control"
brand: "ortho"
price: "$104.67"
currency: USD
in_stock: true
reviews_count: 5
category: "Ortho"
url: https://www.desertcart.us/products/410441652-ortho-home-defense-max-bed-bug-and-flea-killer-powder
store_origin: US
region: United States of America
---

# Up to 8 months control Easy direct powder application Targets hidden cracks & crevices Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. – Apply to Cracks and Crevices for Up to 8 Months of Control

**Brand:** ortho
**Price:** $104.67
**Availability:** ✅ In Stock

## Summary

> 🛡️ Defend your domain—because pests don’t get invited!

## Quick Answers

- **What is this?** Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. – Apply to Cracks and Crevices for Up to 8 Months of Control by ortho
- **How much does it cost?** $104.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/410441652-ortho-home-defense-max-bed-bug-and-flea-killer-powder)

## Best For

- ortho enthusiasts

## Why This Product

- Trusted ortho brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Targeting:** Designed for those hard-to-reach hiding spots where pests lurk—cracks, crevices, and corners.
- • **Comprehensive Bug Defense:** Kills a wide range of pests including ants, cockroaches, spiders, and scorpions—your all-in-one shield.
- • **Long-Lasting Pest Control:** Keeps bed bugs, fleas & more at bay for up to 8 months—peace of mind that lasts.
- • **Simple & Safe Application:** Apply directly from the bottle or with a hand duster—no mess, no fuss, no guesswork.
- • **Part of a Proven 3-Step System:** Works seamlessly with Ortho’s Bed Bug Trap and Killer for total home protection (sold separately).

## Overview

Ortho Home Defense Max Bed Bug & Flea Killer Powder is a powerful, easy-to-use pest control solution that kills bed bugs, fleas, and a broad spectrum of household pests by contact. Its unique powder formula reaches deep into cracks and crevices where sprays can’t, providing up to 8 months of continuous protection. Ideal for targeted application in hidden areas, it’s the final step in Ortho’s 3-step bed bug defense system, ensuring your home stays pest-free with minimal effort.

## Description

Product Description Kill bed bugs, fleas, and other listed insects where they hide with Ortho Home Defense Max Bed Bug & Flea Killer Powder. It kills and controls bed bugs, fleas, ants, silverfish, carpet beetles, centipedes, cockroaches, scorpions, spiders, and other listed insects for up to 8 months. This bed bug powder is the third step in the Ortho 3-step bed bug solution system. Use step 1 to detect bed bugs with Ortho Home Defense Max Bed Bug Trap and step 2 for room treatment with Ortho Home Defense Max Killer (both sold separately). Ortho Home Defense Max Bed Bug & Flea Killer Powder kills bed bugs, fleas, ants, silverfish, carpet beetles, centipedes, cockroaches, scorpions, spiders, and other listed bugs in areas that are hard to spray like the cracks and crevices of bed frames, along baseboards, near window frames, in closets and other places bugs travel and like to hide. It's easy to use this bed bug powder, simply apply directly from the bottle or with a hand duster. Directions This product is intended for applications with a hand duster, or from the container to hiding and runway areas and other places where insects are found. In living areas, make applications in such a manner as to avoid deposits on exposed surfaces or introducing the material into the air. To avoid the possibility of staining, do not use on carpets, upholstery and other fabrics. Do not apply as a broadcast application indoors. To apply insecticide directly into cracks and crevices, use a bulbous duster, or other suitable equipment Apply lightly and uniformly to infested area. Pay particular attention to cracks and crevices; service ducts; false floors and ceilings, wallvid around electrical and telephone fittings and equipment; around water and sewer pipes; under and behind cabinet, refrigerators and sinks; around windows and door frames; along baseboards; in attics and crawl spaces. The amount to be applied will vary with the site but usually be in the range of 2-3 grams of product per square yard (or 0.5 lb. per 1,000 square feet). Ants, Boxelder Bugs Cockroaches (Including Both Resistant and Non-resistant Strains), Crickets, Fleas, Firebrats and Silverfish: Apply thoroughly to all areas where these pests crawl and hide, especially in those areas described above. For Ants, apply to ant trails, around doors and windows, and other places where ants enter premises. Centipedes, Ground Beetles, Millipedes, Scorpions, Spiders and Sowbugs: Apply dust along and behind baseboards, to window and door frames, corners, pipes, storage locations, attics, crawl spaces, and other areas where these pests may enter or crawl. Webbing Clothes Moths: Use as a crack and crevice treatment in closets and other storage areas where these pests are found. Carpet Beetles (Black, Furniture, Common and Varied): Dust where these insects are found, for example: under edges of foor coverings, behind baseboards, under rugs and furniture and in closets. Do not apply as a broadcast application to floors or for coverings, including carpeting. Bed bu P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Safety Warning May be harmful if absorbed through the skin. Causes moderate eye irritation. Avoid contact with skin, eyes, or clothing. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet. See more

Review: Works! I’m just not crazy about the form, white powdery substance. Made me a little paranoid about getting it in places it didn’t need to be. Definitely want to keep it away from kids, pets, and food.
Review: Es muy efectivo y trae una buena cantidad, da para aplicarlo muchas veces.

## Features

- Use biocides safely. Always read the label and product information before use.
- Ortho Home Defense Max Bed Bug & Flea Killer Powder kills by contact and provides long-lasting control, killing bed bugs and fleas in the difficult to spray places where they like to hide
- LONG-LASTING: Provides up to 8 months of control for bed bugs, fleas, ants, silverfish, carpet beetles, centipedes, cockroaches, scorpions, spiders, and other listed bugs
- WHERE TO USE: Use in tough to reach areas where bed bugs or fleas like to travel and hide including cracks and crevices in bed frames, wall mouldings, in closets, and under cupboards; to avoid staining do not use on carpets or fabrics
- EASY TO USE: Evenly apply the bed bug powder with a hand duster or squeeze it directly from the bottle to apply in cracks and crevices; for best results, apply lightly and uniformly to infested areas
- A BED BUG SOLUTION SYSTEM: Use with Step 1 Ortho Home Defense Max Bed Bug trap to detect bed bugs, and Step 2 Ortho Home Defense Max Bed Bug Killer to kill bed bugs quickly (sold seperately)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0812KTXBR |
| Best Sellers Rank | 121,221 in Garden ( See Top 100 in Garden ) 504 in Bed Bug, Flea & Mite Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,620) |
| Date First Available | 5 Nov. 2019 |
| Item display weight | 454 g |
| Item model number | 4389005 |
| Item volume | 12 Fluid Ounces |
| Manufacturer | Ortho |
| Part number | 4389005 |
| Power source type | Manual |
| Product Dimensions | 10.16 x 10.16 x 25.4 cm; 340.19 g |

## Product Details

- **Brand:** Ortho
- **Item form:** Powder
- **Item volume:** 12 Fluid Ounces
- **Number of items:** 1
- **Scent:** Unscented

## Images

![Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. – Apply to Cracks and Crevices for Up to 8 Months of Control - Image 1](https://m.media-amazon.com/images/I/71GmebLppxL.jpg)

## Questions & Answers

**Q: Does this product have residual effects, meaning do you have to spray the bugs directly to kill them or if they crawl through it later will it kill?**
A: Sometimes there will be bugs crawling out. Makes it easier target to kill.

**Q: Can i spay mattress or clothing with this**
A: Clothing should be washed to get rid of bugs when possible. Heat kills them just as well as chemicals, though heat doesn't have keep working later. Just put any fabric or pillows that fit into a dryer in on the hottest setting for the longest amount of time on the machine. You can wash and dry it normally after, though only using the dryer on completely dry fabric is needed.

**Q: What's the difference in this Ortho Max and the original ortho in which I've purchased three times and now they've hiked the price of double sometime?**
A: The difference is that Ortho Home Defense Max Bedbug, Flea, & Tick Killer uses Bifenthrin, Imidacloprid, & Piperonyl Butoxide.  Ortho Home Defense Bedbug, Flea, & Tick Killer uses phenoxybenzyl, dimethyl, cyclopropanecarboxylate, N-Octyl bicycloheptene dicarboximide, & Imidacloprid. Ortho Home Defense Insect Killer uses Bifenthrin, & Zeta-Cypermethrin.

**Q: Does this Kill even after its dried?**
A: Thank you for your question regarding Ortho Home Defense Max Bed Bug, Flea and Tick Killer. Insects must come in contact with the insecticide either at time of application when it is wet or after it has dried during the period of residual control. The residual is around 2 weeks. If you have any further questions, feel free to contact us at 866-324-9192.

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by S***X on 28 January 2026*

Works! I’m just not crazy about the form, white powdery substance. Made me a little paranoid about getting it in places it didn’t need to be. Definitely want to keep it away from kids, pets, and food.

### ⭐⭐⭐⭐⭐ Review
*by M***O on 9 January 2026*

Es muy efectivo y trae una buena cantidad, da para aplicarlo muchas veces.

### ⭐⭐⭐⭐⭐ Review
*by J***Y on 12 September 2025*

I was a skeptic. Three exterminators failed to end my problem. I succeeded. This was a very important part of a bedbug solution along with the Ortho bedbug spray and Shield flex bedbug traps. If the residents aren’t doing their part, eliminating bedbugs will be a challenge. My tenant was stunningly uncooperative and she thought I would pay $1,000 every 4 or 5 months. Heck Nah. Ortho was very effective at reducing bedbugs fast when used properly. It’s even more effective when used in conjunction with the Ortho bedbug spray. Remove outlet covers and Carefully Puff the dust in the wall. Install sealed mattress covers, puff some dust inside the cover and zip it up. Use in other areas as instructed . Use the Ortho spray to spray the interior baseboards, closet floors, bathroom behind toilet and sink. First every week then every 2 weeks if necessary. Tenant had a cat. It didn’t kill it. Buy a cheap Bissell vac with a rug beater at the Wal, Under $30. Vacuum and empty the tamk frequently. I stored mine standing up in a plastic bin so I could look for activity. The bedbug traps under the legs of the bed frame were a great way to easily detect activity. It’s a simple piece of plastic but works! Those cardboard traps never caught a single bug. I wish I could tell you more. I wish someone took the time to give me instructions like this. Ortho was the last product I used because it worked. 12 months zero bedbugs. Zero bites.

## Frequently Bought Together

- Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. – Apply to Cracks and Crevices for Up to 8 Months of Control
- Ortho Home Defense Max Bed Bug, Flea and Tick Killer with Comfort Wand, Bed Bug Spray, Kills Bed Bug Eggs, Fleas and Ticks, 1 gal.
- Ortho Home Defense Max Bed Bug Trap, Detect Bed Bugs in Homes and While Traveling, 2-Pack

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-11*