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TERRO T401 Ant Killer Aerosol Spray

4.4 out of 5 stars 105 customer reviews
| 3 answered questions

Price: $10.90 & FREE Shipping
In stock.
Usually ships within 4 to 5 days.
Ships from and sold by Gatzies.
16 oz
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  • Kills ants on contact and provides long-lasting residual repellency up to 6 weeks
  • Can be used indoors and outdoors
  • Convenient, easy-to-use aerosol spray bottle
  • Also effective against cockroaches, silverfish, crickets, scorpions, spiders, centipedes and multicolored Asian lady beetles
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$10.90 & FREE Shipping In stock. Usually ships within 4 to 5 days. Ships from and sold by Gatzies.

Frequently Bought Together

  • TERRO T401 Ant Killer Aerosol Spray
  • +
  • TERRO Ant Killer Liquid Ant Baits (pre-filled) , Pack of 1
  • +
  • Terro 1806 Outdoor Liquid Ant Baits, 1.0 fl. oz. - 6 count
Total price: $24.00
Buy the selected items together

Technical Details


Product Description

Size: 16 oz

Arm yourself against ants and other unwanted pests with this convenient, 16 oz. aerosol spray. With dual protection, TERRO Ant Killer provides instant knockdown as well as delivers long-lasting residual repellency for up to 12 weeks.

Product Information

Size:16 oz
Product Dimensions 2.6 x 2.6 x 9.5 inches
Item Weight 1.2 pounds
Shipping Weight 1.2 pounds (View shipping rates and policies)
Manufacturer Terro
ASIN B00BPQG5B6
Item model number T401-6
Customer Reviews
4.4 out of 5 stars 105 customer reviews

4.4 out of 5 stars
Best Sellers Rank #2,433 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#23 in Patio, Lawn & Garden > Gardening > Pest Control > Sprayers

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From the Manufacturer


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By L. Mountford TOP 100 REVIEWERVINE VOICE on March 31, 2013
Size: 16 oz Verified Purchase
I purchased this after checking with my vet about a safe-to-use-around-cats solution to my ant problem.

I live in an area that is plagued by ants, usually a couple of times a year. I usually use the Terro PreFilled Liquid Ant Killer II Baits 6 Pack T300, also purchased on my vet's recommendation, and manage to get rid of them in a week or so. This year, I got most of 'em after 2 tries, but there were a few stragglers. I got impatient.

Spritzed around the entry point where the ants seemed to originate. It killed the remaining ants, and I haven't seen a live one since (4 days ago). I didn't use much at all -- really, just a 1/2 second spritz twice -- and they're gone. No strong lingering smell, either. Remember, though, I started with the pre-filled liquid bait traps (2 left out for 1 week; then 2 more for another week), so I think I'd already decimated the colony before using the spray.

At the moment, I'm ant-free. And I'm totally sold on the Terro line of ant control products. My cats and I are pleased. (My female cat has a special "chirp" for spiders and ants, different from her "OMG! there's a BIRD!" chirp, and always lets me know when they've made another appearance.)
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Size: 16 oz Verified Purchase
I almost hate to write this review because I love most Terro products. They and they alone have helped keep my house relatively ant free.

But.... I bought this can to replace several other Terro spray cans I used up. Upon receiving it and examining the spray head, my reaction to the realization that I could not attach the 6" long thin red spray tube is not repeatable.

I cannot believe the lack of judgement on the part of the product designers. When you're going after ants, you want to be able to put the spray focused on the cracks and crannies where the ants travel, not all over the walls, floors, etc.

Nuf said...if you want to use this spray where people and pets can be exposed to it, buy it.

Otherwise, join me and write Terro to get this changed back to the older spray head.
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Size: 16 oz
It works but I felt very uncomfortable spaying this stuff all over the place. I agree with the majority of reviewers. Until the spray is modified so it can be directed at specific area and not all around - I would not give this product a high rating. It defeats the purpose and very unsafe. I would suggest the outdoor use then. But there are products specifically for outdoor that beat this one in quality.

- Does the job
but
- Feels unsafe
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Size: 16 oz Verified Purchase
I used this spray to repel ants that were invading my house from a crack under the windowsill. I first tried liquid ant bait, but these ants didn't even touch the bait. After spraying this in the crack that the ants were using, I can tell it has significantly decreased the ant activity. The ants still bring up various hive deposits and put them on my windowsill, so I can tell they are still alive, but I'm hoping to completely eliminate them with continued use. Since it hasn't killed the hive yet, I rate it 4 stars.
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Size: 16 oz Verified Purchase
It works, as opposed to Raid, which doesn't. I usually lay out bay leaves and that will take care of most ant problems, but every now and then they decide to charge through them and invade. That's when I bring out the big guns. I spray one time and I don't see them for ages. I recommend, but leave a window open and don't go back in the room for a while after spraying to avoid inhaling this heavy duty ant spray.
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Size: 16 oz Verified Purchase
This insecticide is very effective against ants, it worked quickly and lasted months. However the sprayer is awful, the spray builds up on the nozzle causing flying clumps of oily foam. What a mess. This is not the first Terro product I've purchased that didn't spray properly.
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Size: 16 oz Verified Purchase
what can I say? it's a ant killer in a aerosol spray which kills ants. As a killing agent, it is great! but unfortunately, as a aerosol spray, it sucks, as it "sprays" the agent in a mist form--making it difficult to concentrate the spray in a specific direction. Likewise, as you spray in-doors on a smooth surface, the pressure of the aerosol blows the ants in all direction, making it difficult to kill and clean up, unless you spray from far.
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Size: 16 oz Verified Purchase
I spray this around the perimeter of doors and anyplace where I normally find spider webs. It does well in keeping bugs away. I usually have to spray again about once a month or after heavy rains, but it's well worth it.
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