PRODUCT INFO:;- Non-acid; alkaline-based product for cleaning and;brightening air cooled condensers.;- Safer alternative to acids.;- It is not recommended for indoor use.;- 1 Gallon;; HAZMAT (CORROSIVE); PICK-UP ONLY;Available for pick-up only. This product is not available;for shipping. This product contains hazardous;material (corrosive).