PetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spring savings start here

|
Shop Now
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

A woman outside with a dog
A woman outside with a dog
Image showing 0 th Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.
Image showing 0 th Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.
Image showing 0 th Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.

Prairie Pride  Clarifly Fly Control Cattle/Horse Block, 33.3 lb.

4.4(23)
$15.99

This item is not available

Search Stores

Temporarily unavailable

{"store_id":2314,"page_number":1,"category":"Horse>Horse Fly Control>Horse Feed-Through Fly Control","keywords":"horse-feed-through-fly-control","item":"506918099,160502399,228776499,149773799,228784199,148554599,243450399,503839199,228776599,243450499","filters":[],"availability":"","price":"","id":""}
Pickup
Delivery

Smart Supply eligible

Auto order and save everyday

Sort by Most Popular
Pickup
Delivery

Horse Feed-Through Fly Control (10)

Farnam SimpliFly Feed-Thru Fly Control for Horses, 4.15 lb.
Farnam SimpliFly Feed-Thru Fly Control for Horses, 4.15 lb.

Farnam SimpliFly Feed-Thru Fly Control for Horses, 4.15 lb.

4.5

(383)

$43.99

$43

.99

See price at checkout

Pickup

Delivery

Purina EquiTub with ClariFly Horse Supplement
Purina EquiTub with ClariFly Horse Supplement

Purina EquiTub with ClariFly Horse Supplement

4.5

(53)

$78.99-
$169.99

$78

.99

-

$169

.99

Delivery

Choose options

  • Online Only

Trust Think Equine Fly + Tick Supplement, 4 lb.
Trust Think Equine Fly + Tick Supplement, 4 lb.

Trust Think Equine Fly + Tick Supplement, 4 lb.

4.7

(6)

$34.99

$34

.99

Delivery

Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.
Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.

Prairie Pride Clarifly Fly Control Cattle/Horse Block, 33.3 lb.

4.4

(23)

$15.99

$15

.99

Delivery

  • Online Only

Trust Think All Species Fly and Tick Supplement, 25 lb.
Trust Think All Species Fly and Tick Supplement, 25 lb.

Trust Think All Species Fly and Tick Supplement, 25 lb.

4.5

(2)

$199.99

$199

.99

Delivery

Diatomaceous Earth Horse Supplement Shaker, 2 L
Diatomaceous Earth Horse Supplement Shaker, 2 L

Diatomaceous Earth Horse Supplement Shaker, 2 L

4.7

(12)

$17.99

$17

.99

Delivery

JustiFLY Equine 8-8-8 Larvicide Bucket, 5 lb.
JustiFLY Equine 8-8-8 Larvicide Bucket, 5 lb.

JustiFLY Equine 8-8-8 Larvicide Bucket, 5 lb.

3.7

(3)

$34.99

$34

.99

Pickup

Delivery

  • Online Only

Solitude IGR Horse Fly Preventive
Solitude IGR Horse Fly Preventive

Solitude IGR Horse Fly Preventive

4.6

(193)

$359.99

$359

.99

Save up to 20% on first Autoship

or up to 10% on one time order

Delivery

  • Online Only

Trust Think Equine Fly + Tick Supplement, 25 lb.
Trust Think Equine Fly + Tick Supplement, 25 lb.

Trust Think Equine Fly + Tick Supplement, 25 lb.

4.3

(6)

$199.99

$199

.99

Delivery

  • Online Only

JustiFLY Equine 8-8-8 Larvicide Bucket, 10 lb.
JustiFLY Equine 8-8-8 Larvicide Bucket, 10 lb.

JustiFLY Equine 8-8-8 Larvicide Bucket, 10 lb.

0.0

(0)

$59.99

$59

.99

Delivery

Showing1-10of 10 items

  • 1

Items per page:50|100|150|200

Compare

Add up to 4 items

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.