RV Trailer Camper Sanitation Porta-Pak Deodorizer Lavender 10Pk WALEX PPRV10LAV Waste Holding Tank Treatment; Porta-Pak (R); Biological Treatment Used To Deodorize Black Water Holding Tank/ Break Down Solid Waste/ Liquefy Tissue To Prevent Messy Clogs; Without Formaldehyde; With Deodorant; Lavender Breeze; Lubricates Valves And Cleans Sensor; Treats Up To 50 Gallon Holding Tank; 32 Gram Drop-In Individual Dose Pouches; Bag Of 10 Treatment Formaldehyde-Free. Biodegradable. Controls Odor, Breaks Down Waste And Paper, Lubricates Valves And Cleans Sensors Convenient Zipper Bag For Easy Storage. Powered By WAVE 2 Technology For Long-Term Odor Control Quick Dispersion In Holding Tank. No Skin Contact When Handling. Long Shelf Life