Opti-Force® Horse Fly Mask Size:Horse size Since it first became available

Since it first became available to horse owners in 1990 as the first product of its kind

and stiffness

10 Pound - 450

Insert the tip of the syringe into the side of the horse’s mouth between the incisor and molar teeth and press the plunger down as far as it will go

even as they lose weight

Opti-Force® Horse Fly Mask Size:Horse size Since it first became availableEquine 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