One letter off from FLIR (the famous non-contact thermo imagining company now owned by Teledyne). I wonder if it is more than coincidence that FLTR almost looks like FLIR. Definitely not related
New FLTR Digital Infrared Thermometer Non-contact Forehead Baby Adult TMP102 | eBay
FLTR Infrared Thermometer Manual TMP102 #13FR11 for sale online | eBay
NEW OPEN BOX Infrared Thermometer FLTR – Custom Framing Gallery
FLTR No Contact Infrared Thermometer White 1 Count - Walmart.com