Neptune FMK Leak Detection Probe for use under Carpet - Low Profile
Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can the take place. Don't have carpet, see the next probelisted here. Note: The LD-1 will only work with the FMM and Cannot be usede with the ALD Module.