Its high-impact

Zinc Oxide

temperature-sensitive IBR and PI3 strains that replicate most effectively in the upper respiratory tract

and other animals

Cashel E-Z Knees, Pair Count:Pair Its high-impactCashel E Z Knees Eliminate the pain associated with fighting the fenders with Cashel's E Z Knees. Made of top quality 1 8" hand polished, no rust aluminum molded under 7000 lb of pressure, simply place between your existing Western stirrup and fender, keeping the stirrup set at a right angle to the horse. This allows the stirrup to correctly align your foot with knees and hips, eliminating "fender torque" and related knee pain. Features: top quality