PUREFY Anti-Allergen Spray Concentrate (2pk, makes 136oz), Hypoallergenic. Eliminate Irritating Matters and Odor. Baby Safe. Unscented. No Residue. For Cleaner and Healthier Life!EFFICIENT: Convenient concentrate makes 68oz (1:4) ready to use solution; Save and reduce plastics waste and transportation. Environmentally friendly. Use with PUREFY Anti Allergen Spray (24oz) or Refill. ANYWHERE: Non-staining and safe for all colors, hard or soft materials including Carpeting, Upholstery, Window Curtains, Vehicle Interiors, Pet Bedding and more. PURER: Free of harsh chemicals, alcohol, benzene, synthetic fragrances, aerosol, tannic acid, parabens, phthalates. SAFER: Hypoallergenic pH neutral solution. Non-toxic, unscented, and VOC free. Safe for seniors, children and pets. HEALTHIER: Remove irritating matters and odors instantly. Prevent issues that lead to unhealthy environment and negative reactions.