---
product_id: 187935861
title: "Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz."
brand: "ortho"
price: "A$30"
currency: AUD
in_stock: true
category: "Ortho"
url: https://www.desertcart.com.au/products/187935861-ortho-home-defense-max-bed-bug-and-flea-killer-powder
store_origin: AU
region: Australia
---

# Up to 8 months lasting control Kills bed bugs & fleas on contact Targets hidden bugs in cracks & crevices Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz.

**Brand:** ortho
**Price:** A$30
**Availability:** ✅ In Stock

## Summary

> 🛡️ Defend your domain with Ortho’s max-strength bed bug & flea powder—because bugs don’t stand a chance!

## Quick Answers

- **What is this?** Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. by ortho
- **How much does it cost?** A$30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/187935861-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

- • **Multi-Pest Power:** Not just bed bugs—this powder tackles ants, silverfish, cockroaches, spiders, and other unwelcome guests lurking in your home.
- • **Long-Lasting Defense:** Enjoy up to 8 months of relentless protection against bed bugs, fleas, and more—because your home deserves peace of mind.
- • **No Stains, No Stress:** Formulated for use on cracks and crevices only—protect your fabrics and carpets while eradicating pests where they hide.
- • **Precision Application:** Easily apply powder in hard-to-reach spots like bed frames and baseboards for targeted, mess-free pest elimination.
- • **Part of a Proven 3-Step System:** Integrate seamlessly with Ortho’s Bed Bug Trap and Killer for a comprehensive, professional-grade pest control strategy.

## Overview

Ortho Home Defense Max Bed Bug & Flea Killer Powder is a 12 oz. unscented insecticide designed for indoor use, delivering up to 8 months of control by killing bed bugs, fleas, and a broad spectrum of other pests on contact. Ideal for application in cracks and crevices, it’s the third step in a proven 3-step system that ensures thorough detection and elimination of infestations without staining fabrics or carpets.

## Description

When you need a flea and bed bug infestation control product for indoors, reach for Ortho Home Defense Max Bed Bug & Flea Killer Powder. This indoor insect control product kills bed bugs, fleas, and other listed insects where they hide. This indoor ant killer, bed bug killer, and flea killer also kills and controls silverfish, carpet beetles, centipedes, cockroaches, scorpions, spiders, and other listed insects for up to 8 months. This indoor bug killer 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.

## Features

- BED BUG SOLUTION SYSTEM: Use this bed bug powder as Step 3 along 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 separately)
- EASY TO USE: Evenly apply the bed bug powder insecticide 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
- LASTING PROTECTION: This bed bugs killer provides up to 8 months of control for bed bugs, fleas, ants, silverfish, carpet beetles, centipedes, cockroaches, scorpions, spiders, and other listed bugs
- KILL BED BUGS BY CONTACT: Ortho Home Defense Max Bed Bug & Flea Killer Powder is a bed bug powder and flea powder that kills by contact and provides long-lasting control, killing bed bugs and fleas in difficult-to-spray places where they like to hide
- WHERE TO USE: Use this bed bug treatment and flea treatment for homes in tough-to-reach cracks and crevices in bed frames, wall mouldings, in closets, and under cupboards; to avoid staining, do not use on carpets or fabrics

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0812KTXBR |
| ASIN  | B0812KTXBR |
| Best Sellers Rank | #2,641 in Health & Household ( See Top 100 in Health & Household ) #5 in Indoor Insect & Pest Control Sprays |
| Brand Name | Ortho |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,135) |
| Date First Available  | November 5, 2019 |
| Global Trade Identification Number | 00071549438906 |
| Included Components | Ortho - 71549438906 |
| Item Form | Aerosol, Powder |
| Item Highlight | Kills Bed Bugs and Fleas, Kills on Contact, Provides Up to 8 Months of Control, Treat Cracks and Crevices |
| Item Nype Name | Ortho Home Defense Max -Kills on Contact, Provides Up to 8 Months of |
| Item Volume | 12 fluid ounces |
| Item Weight | 12 ounces |
| Item model number  | 4389005 |
| Manufacturer | The Scotts Company LLC |
| Manufacturer  | The Scotts Company LLC |
| Manufacturer Part Number | 4389005 |
| Model Number | 4389005 |
| Number of Items | 1 |
| Product Dimensions  | 4 x 4 x 10 inches; 12 ounces |
| Scent Name | Unscented |
| Size | 1 Count (Pack of 1) |
| Target Species | Insects |
| UPC | 071549438906 |
| Unit Count | 12 Ounce |

## Product Details

- **Brand:** Ortho
- **Item Form:** Aerosol, Powder
- **Item Volume:** 12 fluid ounces
- **Number of Items:** 1
- **Scent:** Unscented

## Images

![Ortho Home Defense Max Bed Bug & Flea Killer Powder, 12 oz. - Image 1](https://m.media-amazon.com/images/I/71GmebLppxL.jpg)

## Available Options

This product comes in different **Color** options.

## 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.

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/187935861-ortho-home-defense-max-bed-bug-and-flea-killer-powder](https://www.desertcart.com.au/products/187935861-ortho-home-defense-max-bed-bug-and-flea-killer-powder)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-09-24*