<p><strong>Sonic Grease Single Use Packet *4-Pack</strong></p><p id="isPasted">Mopeka Sonic Grease is applied to the sensor face to improve ultrasonic performance. This is a 4-pack of 1cc single-use units.</p><p>Note: All sensors are shipped with 1 grease pack. Order this package for use when sensors must be removed from the tank frequently, or when grease has otherwise been removed from the sensor.</p> <!--- cis2:m2hqmpZo --->