Walex Porta-Pak Black Holding Tank Deodorizer & Portion Control System Drop-Ins - Rapid Breakdown of Waste & Paper, Odor Prevention, Cleans Tank & Sensors - Lavender Breeze, 10-Pack

Porta-Pak is currently used in millions of commercial applications every year, Porta-Pak has made a huge impact in the RV and marine markets. No other product available offers the combination of deodorizing performance in an easy to use drop-in-making liquid holding tank products obsolete.