Graco (TSL) Throat Seal Liquid Pump Conditioner 8 Oz.

One of the most important sprayer components is the pump. TSL is specifically formulated to protect the piston and packing from corrosion and drying out keeping your sprayer functioning as designed. Dissolves material on displacement rods. It extends pump life and assures they are ready to use when you need them. Formulation: proprietary blend including phthalic acid esters.