Add to Wishlist CPS LS790B Leak-Seeker Refrigerant Leak Detector CPS LS790B Leak-Seeker Microprocessor Leak Detector The LS790B Leak-Seeker combines the most advanced microcomputer circuitry with field-proven Ion-pump sensor technology creating a highly sensitive, accurate electronic refrigerant leak detector. Over... MSRP: $239.99