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TriWave Defense™: Three Weapons. One Plug.

Traditional traps catch one pest at a time — and leave you with the mess. Sprays fill your air with chemicals your kids and pets breathe in. Osmo RepelMax works differently. Its TriWave Defense™ system emits three simultaneous frequencies — ultrasonic waves that disrupt pest nervous systems, pressure waves that prevent adaptation, and electromagnetic pulses that travel through your existing wiring to reach pests hiding inside walls where sprays can't go. They don't die. They leave. And they don't come back.

4,000 Sq Ft of Invisible, Permanent Protection

A single Osmo RepelMax unit covers up to 4,000 square feet — enough for a full basement, garage, attic, or open-plan living area. Three smart modes let you match the intensity to your situation: Mode 1 for general prevention, Mode 2 for active infestations that keep adapting, and Mode 3 for pests entrenched deep inside walls and wiring cavities. Most households see a clear reduction in pest activity within 2–3 weeks. Full results in 3–4 weeks of continuous use.

Plug In Once. Forget About Pests Forever.

No bait to replace. No traps to reset. No exterminator appointments. Just plug the Osmo RepelMax into any standard wall outlet between 10–50 inches from the floor and let it run. It draws just 3–5 watts — less than a nightlight — so it costs practically nothing to run 24 hours a day, 365 days a year. Completely silent to humans and pets. Continuously working whether you're home or not. The easiest pest control decision you'll ever make.

WHY CHOOSE OSMO REPELMAX?

No Dead Pests to Handle

RepelMax drives pests out of your home — alive. No traps to reset. No sticky glue boards to peel up. No poison bait to dispose of. No corpses behind the fridge. Pests simply leave, and don't come back.

Reaches Inside Your Walls

Mode 3 sends electromagnetic pulses through your existing home wiring — reaching into the wall cavities, ceilings, and crawl spaces where mice nest and sprays simply cannot penetrate. It evicts pests from places you can't even see.

Zero Chemicals in Your Air

No sprays. No fumes. No residue on your countertops or in your food. The Osmo RepelMax uses only sound waves and electromagnetic frequency — invisible, odorless, and completely harmless to every human in the building.

Your Kids & Pets Stay Safe

Completely inaudible to humans and household pets. RepelMax operates on frequencies above the range cats and dogs can detect. No toxins near food, no traps that snap on curious fingers, no hazardous bait that a pet or toddler can find.

Works While You Sleep

Plug it in once. RepelMax runs 24 hours a day, 7 days a week — silently protecting every corner of your home while you get on with your life. No monitoring, no refills, no resets. Permanent background protection.

Costs Less Than One Pest Visit

A single exterminator visit costs $150–$400. RepelMax draws 3–5 watts — roughly the same as a small LED nightlight. Running it 24/7 for a full year costs less than $5 in electricity. One-time purchase. Permanent protection.

100% Pest-Free Home Guarantee

If Osmo RepelMax ever fails to keep mice away or doesn’t meet your expectations, you’ll get your money back—no questions asked. Try it completely risk-free and enjoy a cleaner, worry-free home with total peace of mind!

What’s in the box?

Frequently Asked Questions

Is this safe for my kids and pets?

Completely safe. The Osmo RepelMax emits no chemicals, no toxins, and no radiation. The ultrasonic frequencies operate above the hearing range of humans, cats, and dogs — they cause zero discomfort to your family. There are no traps that snap, no poison bait a child or pet can find, and no hazardous sprays. It is one of the safest pest control solutions available.

How long before I see results?

Most households notice a clear reduction in pest activity within 2–3 weeks of continuous use. For a significant infestation, allow 3–4 weeks. Results vary based on infestation size and how many units are deployed. We recommend one unit per enclosed room for maximum effect, since ultrasonic waves cannot pass through solid walls.

What's the difference between the 3 modes?

Mode 1 emits constant ultrasonic waves — best for general prevention and light pest activity. Mode 2 cycles through pressure wave frequencies — designed to prevent pests from adapting and becoming resistant to a single tone. Mode 3 adds electromagnetic pulses through your home's existing wiring — specifically targeting pests hiding inside walls and cavities that other methods can't reach.

Will it work in my garage, basement or attic?

Yes — these are the ideal locations. The Osmo RepelMax covers up to 4,000 sq ft in large open spaces, making it perfect for warehouses, garages, attics, and basements where mice and rats commonly nest. Just ensure the outlet is accessible and the device is positioned 10–50 inches from the floor without obstructions blocking the front.

How much electricity does it use?

The Osmo RepelMax draws just 3–5 watts — similar to a small LED nightlight. Running it continuously 24/7 for an entire year costs approximately $2–5 in electricity, depending on your local rate. It is designed for permanent, uninterrupted use without meaningfully affecting your electricity bill.

What pests does it work on?

The Osmo RepelMax is effective against mice, rats, squirrels, roaches, ants, spiders, bugs, bats, and other common household pests. The TriWave Defense™ system targets their nervous systems, making your home an environment they flee from and avoid re-entering.

America's BestMouse Repellent

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Osmo RepelMax