FEATURES: High Efficiency Fluid Transfer: Pumps 1 full ounce (30cc) per stroke – pump an entire quart in just 32 strokes for quick, hassle-free fluid changes. Universal Compatibility: Comes with 4 interchangeable thread adapters that securely fit almost any gallon bottle and wide-mouth quart bottle (including for Red Line, for AGL, for Toyota, for ATM, for Amsoil, and for Castrol Edge etc...). .