Walex Commando RV Black Holding Tank and Sensor Cleaner Drop-Ins, Ocean Mist Scent, 4-Pack (1 Year Supply)
Brand: Walex
Color: Black/Tan
Restores Sensor Function
Removes Waste and Paper from the Tank Walls
Cleans Entire Tank in 12 to 24 hours
Advanced Super-Concentrated Enzyme Formula
Easy to Use Dissolvable Packet