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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
Merck ULTRA BOSS® Pour-On InsecticideULTRA BOSS POUR ON INSECTICIDE features broad spectrum control in a pour on. Containing 5% permethrin and 5% piperonyl butoxide, ULTRA BOSS POUR ON INSECTICIDE controls lice, flies and more in lactating and non lactating dairy cattle, beef cattle and calves. About ULTRA BOSS POUR ON INSECTICIDE: Broad spectrum insecticide against lice, horn flies and face flies. Aids in control of horse flies, stable flies, mosquitoes, black flies and ticks. Effective
ULTRA BOSS POUR-ON INSECTICIDE features broad-spectrum control in a pour-on.
Containing 5% permethrin and 5% piperonyl butoxide, ULTRA BOSS POUR-ON INSECTICIDE controls lice, flies and more in lactating and non-lactating dairy cattle, beef cattle and calves.
About ULTRA BOSS POUR-ON INSECTICIDE:
- Broad-spectrum insecticide against lice, horn flies and face flies. Aids in control of horse flies, stable flies, mosquitoes, black flies and ticks.
- Effective horn fly control for 8 weeks.1
- Season-long lice control with one application (January through April).1
- Fast-acting permethrin formulation with 5% piperonyl butoxide optimizes control.1
- ULTRA BOSS POUR-ON INSECTICIDE should be used as part of an integrated pest management system with the use of other pest control practices.
Dosage and Usage:
- Repeat treatment as needed but not more than once every 2 weeks.
- Do not allow pesticide to enter or run off into storm drains, drainage ditches, gutters or surface waters.
- Not for use in outdoor residential misting systems.
- Available in one U.S. quart (treats 57 550-lb. cattle) or one U.S. gallon (treats 229 550-lb. cattle).
- For more information, including complete directions and warnings, please see the product label.
| Pkg Size | UPC # | UIN # |
|---|---|---|
| Quart | 300615260029 | 065590 |
| Gallon | 300615260012 | 065589 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Great item
I have several of these for my German Shepherd and Hound dog. While the Shepherd can still manage to get this apart it takes a lot longer than other chew toys.
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Reviewed in the United States on July 8, 2025
★★★★★ 1
Would not recommend
I bought this for my bulldog/boxer dog thinking that it was completely made of leather but it’s not. It has an inch of felt type material between two very thin leather pieces which makes it easy for her to chew on, becoming soft very quickly and then falls apart. We took it away from the dog the first day and threw it away because we didn’t want her swallowing felt type material.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Tough chew approved!
Finally a toy my french bulldog cant break! We have a 9 yr old man who loves to chew leather belts and purse straps. Found this leather toy, he got it today for Christmas and he loves it!
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Hold food well
Dog loves this one
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Hold food well
Dog loves this one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
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