| IR21GM | SGX Sensortech | SERIES 2 , 16MM, 0-5% CO2 IR SEN | - | 5,832 | 
                                                    
                            | VQ625/1 | SGX Sensortech | VQ25 PELLISTOR VQ600 HEAD, METRI | - | 4,392 | 
                                                    
                            | VQ631M/3 | SGX Sensortech | VQ31 PELLISTOR, VQ600 HEAD, 0.75 | - | 7,866 | 
                                                    
                            | VQ631M/2 | SGX Sensortech | VQ31 PELLISTOR, VQ600 HEAD, 0.5" | - | 3,508 | 
                                                    
                            | VQ603/2 | SGX Sensortech | VQ3 PELLISTOR, VQ600 HEAD, 0.5" | - | 5,472 | 
                                                    
                            | IR23BD | SGX Sensortech | SERIES 2 , 19MM, 0-5%/100% BROAD | - | 3,204 | 
                                                    
                            | IR25TT-M | SGX Sensortech | SERIES 2, 19MM, 0-2%CO2 & 0-5%/1 | - | 2,952 | 
                                                    
                            | IR25TT | SGX Sensortech | SERIES 2 , 19MM, 0-2%CO2 & 0-5%/ | - | 6,192 | 
                                                    
                            | T8100-D | Amphenol Advanced Sensors | CO2/TEMP SENS WALL MNT DUAL OUT | - | 6,714 | 
                                                    
                            | T8200-D | Amphenol Advanced Sensors | CO2/TEMP SENS WALL MNT DUAL OUT | - | 2,862 |