Looking to upgrade this item

Jet 660215 12pcs Mini Turning Tool Kit for BDB-920 Lathes

Model: JSC-244828-94T-D720

1/4" Core box round

Allegro CO Monitor Calibration Kit Air Cooled Aftercooler Looking to upgrade this itemDescription CO Monitor Calibration Kit, Includes Case, Regulator, Span Gas, Zero Gas, System Type SAR System, Regulator Flow Rate 0. 5 lpm, Cylinder Size 17 L, Case Width 8 in Dimensions Case Width 8 in Cylinder Size 17 L Details Item CO Monitor Calibration Kit For Use With CO Monitor Calibration Kit Includes Case, Regulator, Span Gas, Zero Gas System Type SAR System Gas Concentrations 20 ppm Carbon Monoxide Regulator Flow Rate 0. 5 lpm