RKI Instruments Calibration 58 Liter Gas Cylinder 81-0154RK-02 Quad Mix, CH4 50%, H2S 25 ppm, CO 50 ppm, O2 12% Vol, N2 Balance 3M 2104531 The multi-layer film is applied

The multi-layer film is applied to a heavy polypropylene nonwoven for increased strength and durability

Standard anti-fog/scratch resistant coating

Cost effective solution: multi-use solution helping reduce the infection risk of healthcare workers and first responders

including above hard hat

This allows you to drink safely while in contaminated areas without needing to remove the mask

RKI Instruments Calibration 58 Liter Gas Cylinder 81-0154RK-02 Quad Mix, CH4 50%, H2S 25 ppm, CO 50 ppm, O2 12% Vol, N2 Balance 3M 2104531 The multi-layer film is appliedRKI Instruments 81 0154RK 02 $178. 97 No State or Local Sales Tax Anywhere. Calibration 58 Liter Gas Cylinder Quad Mix, CH4 50%, H2S 25 ppm, CO 50 ppm, O2 12% Vol, N2 Balance MADE IN THE USA! NOTE: This product is HAZMAT. This is also non refundable due to the nature of the product, so please ensure you have the correct product before purchasing. The RKI Calibration 4 Gas Mixture in an aluminum 58 liter cylinder. The mixture is 25 ppm H2S 50 ppm CO 50