Dilution at Hand Extreme for 1 product allows the dilution of 1 product in either low flow, 1 gpm (4L / min.) bottle filling or high flow, 4 gpm (15 L / min.) bucket filling, or multiple dilutions at low or high flow. Bottle filling can be activated with 1 hand for greater flexibility and an optional remote activation for filling buckets or scrubbers is also available. Units are available with DEMA Action Gap or air gap back flow preventers.