72-20-439 - Box Of 10 Replacement Snap-In Valves for Original TECH T-Pro Sensors
A box of 10 snap-in valves.
These valves are suitable for use with snap-in first generation T-Pro sensors.
NOT COMPATIBLE WITH 72-21-945 to 72-21-951 (T-Pro Hybrid 3.5/HTS-3200 OE-R) SERIES SENSORS