3M Comply (Cold Sterilog) Glutaraldehyde Monitors 3983Mm; Chemical Monitors That Indicate If A Glutaraldehyde Solution Meets The Manufacturer'S Recommendation For A Minimum Effective Concentration (Mec) Needed To Effectively Kill Organisms; Black Framed Pad Turns Yellow When Above 1.5% Mec Concentration, 60Btl, 2 BtlCs