Pure Power Blue, 40 oz. Self Measuring Bottle. High and low temperature odor control. Liquefies all waste and toilet paper. Works in black and gray tanks. Leaves a fresh scent. 40 oz. self-measuring bottle. High and low temperature odor control Liquefies all waste and toilet paper Works in black and gray tanks Leaves a fresh scent 40 oz. self-measuring bottle MODEL NO - V23103