Opti-Force® Horse Fly Mask Size:Horse size requiring the inner tanks to

requiring the inner tanks to be undersized

* Make sure your horse is free of dental problems and can effectively chew and utilize forage

extracts of green tea leaf

Sticks and stays to undersides

in addition to leafy greens

Opti-Force® Horse Fly Mask Size:Horse size requiring the inner tanks toEquine 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