Porta-Pak® Fresh scent , the bestselling waste treatment and deodorant for campers, caravans and boats in the U.S. and Australia. The pre-packaged water-soluble packet controls odours, breaks down waste and paper, and lubricates valves and seals. · Liquefies all types of toilet paper, eliminating the need for special toilet paper! · Removes odours and breaks down waste and paper · Bestselling product in the US and Australia · Safe for septic tanks Unsurpassed performance by the best deodorizer money can buy! Just drop it in!