I'll get the ball rolling on this thread.
Element 8, by CTI/Pros Choice has now changed the product name to EnvireX:Oxygen Release Emulsifier.
The product belongs to the class of in-tank "emulsifiers" thAt perform cleaning without surfactant, often characterized as "soap free". The product is not designed to be a prespray, but many still do use products like this as a prespray when they are looking for something with the characteristics of a detergent/surfactant free product (CTI lter added use instructions for use as a prespray).
Products in the same classification include; Soap Free by Masterblend & Procyon by Carpet Plus.
Envirex, unlike Procyon, contains Sodium Percarbonate, which is an oxidizer additive. The oxidizer gives the product mild bleaching action that is safe for nearly all synthetics, and most natural fibers with their associated dye types.
The product, when used alone is a light duty, multipurpose cleaner that many users find work better with other additives, e.g. Citrus solvent, added as a booster.