Purex ® Ultra Concentrate. Half the size of regular Purex ® detergent, but does the same number of loads! Two times concentrated; requires only half the dose. Formulated with Pure Clean Technology ™ for whiter whites and brighter colors. Helps prevent dinginess. Enhanced blend of surfactants and builders performs well in all temperatures and leaves clothes with a fresh, clean scent. Color Shield ® protects colors from fading. Biodegradable; no phosphates. 4 Bottles per Case. Each 100 oz Bottle does 64 loads.