Prototek | FTP-8 | 512 Hertz Frequency Flushable Sonde | for use with 512 Hz Receiver to Locate cast Iron and Non Metallic Underground Pipes-Pack of 3

Batteries are not replaceable | push button for easy on/off | Battery Life: 4
Floats for easy retrieval
Flashing LED indicates that the sonde is transmitting. Red LED will come on to indicate when the battery is no longer good
Quantity: Sold as a pack of 3 Frequency: 512 Hertz Dimensions: 2-1/4” L x 1-3/16” W x 1” H Line size: 3 inches and up Range: 8 feet in cast iron 12 feet in nonmetallic Range is determined under best conditions using a Prototek Receiver 
Signal tone: Continuous Battery Life: 4 hours

Manufactured in the United States by Prototek Corp. Our flushable transmitter sonde is the best in the industry. We have been manufacturing them for over 25 years. The FTP-8 flushable transmitter works in cast iron and nonmetallic lines along with septic tanks. The flushable transmitter uses the 512 Hz frequency and will work with our Digital LineFinder receivers along with the Ferris analog receiver. Sold separately. Compatible with any receiver that can pick up the 512 Hertz frequency.