Roebic K-37 Septic Tank Treatment Quart K-37-Q-4 - Box of 4 This versatile tool features an

This versatile tool features an easy-to-read LCD display and data-hold functionality for easy retrieval

WhisperWind® motor technology offers quiet

You can also use it to create a traditional accent for your porch

Fits 8 inch round duct

Roebic K-37 Septic Tank Treatment Quart K-37-Q-4 - Box of 4 This versatile tool features anRoebic K 37 Septic Tank Treatment is specifically designed to restore the natural balance within septic tanks by promoting the efficient and rapid breakdown of solids, thereby reducing sludge and scum levels and resulting in reduced odors, less clogs and more efficient system operation. Treats 500 gallons.