ODOR PREVENTION – Porta-Pak Holding Tank Deodorizer Drop-Ins provide exceptional odor control, neutralizing even the toughest smells in RV, Marine, Bus, and other holding tanks. Keep your bathroom fresh and odor-free with each powerful drop-in.
FORMALDEHYDE-FREE – These portion control drop-ins are completely formaldehyde-free. They offer powerful waste and odor breakdown and extended odor control in even the most extreme climates.
QUICKLY DISSOLVES – Each Porta-Pak drop-in dissolves rapidly in your holding tank, instantly going to work to deodorize and break down waste and paper. The non-staining formula ensures that your tank remains clean and free from residue.
EASY TO USE – JUST DROP IT IN – Simplify your tank maintenance with these convenient, pre-measured drop-ins. No measuring or mess required—just toss one into your tank for hassle-free deodorizing and waste breakdown every time.
NON-STAINING FORMULA – The non-staining color of these drop-ins ensures that your holding tank remains spotless while effectively breaking down waste. Safe for all RV and marine systems, they offer reliable performance without the worry of stains.

Porta-Pak Holding Tank Deodorizer & Portion Control Drop-Ins - Unbeatable Odo...