REGIN CO BUMP TESTERCO 101 - CARBON MONOXIDE BUMP TESTER,2 IN. H - CARBON MONOXIDE BUMP TESTER, PROVIDES PERIODIC TESTING, FOR USE WITH MFR. NO. CO-R, HEIGHT 2 IN, LENGTH 7 3/4 IN, WIDTH 6 1/4 IN, DIAMETER 2 IN, OPERATING TEMP. 90 DEGREES TO 400 DEGREES...