Opti-Force® Horse Fly Mask Size:Horse size Repeat application as needed

Repeat application as needed

4 – 7 cups 81 lbs

killing the larvae before they hatch into adults

where flies are most often seen

Set canister in an upright position on a table

Opti-Force® Horse Fly Mask Size:Horse size Repeat application as neededEquine Insect Control Fly Mask This product provides built in, invisible and odorless insect protection. Designed for the comfort of the horse, the mask repels mosquitoes, ticks, flies, and fleas and can fit horses weighing between 9001,200 lbs. Repels mosquitoes, ticks, flies, and fleas (including insects that cause Lyme disease and West Nile virus) Comfortable design keeps the mask off the face and away from the eyes Fits horses weighing between