wts303T-STORM WTS303A 3x3 AR-AFFF (Alcohol Resistant Aqueous Film-Forming Foam) Concentrate from WILLIAMS FIRE & HAZARD CONTROL combines fluoro- and hydrocarbon-surfactantT-STORM WTS303A 3x3 AR-AFFF (Alcohol Resistant Aqueous Film-Forming Foam) Concentrate from WILLIAMS FIRE & HAZARD CONTROL combines fluoro- and hydrocarbon-surfactant