LAV-PAK RV/MARINE HOLDING TANK DEOD

Biological Treatment Used To Deodorize Black Tank/ Clean Tank And Sensors/ Break Down Waste And Liquefy Tissue; Without Formaldehyde; Lavender Scent; 1 Drop-In Treats Up To 40 Gallon; 53 Ounce Tub; Tub Of 30 Packets