Vax AAA Carpet Cleaner Solution (1.5 Litres). Vax AAA (Anti Allergen Additive) Solution is ideal for use with the Vax Canister 3-in-1 and Rapide carpet washing ranges. Specifically formulated by Vax to gently lift deep down dirt and stains, it dries leaving a fresh fragrance, without any sticky residue. Safe for use on all carpet types, including pure wool. For use with all Vax washing products (excluding Total Floors).