Walex Porta-Pak RV Marine Black Holding Tank Deodorizer Drop-Ins, Camper, Boat, Camping Cassette Toilet Cleaner Tablets Pods, Fresh, 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.