Clothesline Fresh Enzyme Spotter is a concentrated laundry spotter and wash additive. Allows for quick penetration, digestion, and removal of the toughest stains and soils. Proprietary blend allows for quick removal of different types of stains, particularly protein and starch. For use on tough and common stains: blood, grass, and foodstains. Will not contribute to fabric degradation. Ready-to-use formula. 1-gallon bottles. Four bottles per case. Replaces 3320030