RKI Calibration 4 Gas Mixture 81-0154RK-04 Calibration Kits making it reef-compliant and gentle

making it reef-compliant and gentle on sensitive skin

1 and ANSI Z87

lights will flash at the bottom of your view

Durable FRDURATEX FR fabric

RKI Calibration 4 Gas Mixture 81-0154RK-04 Calibration Kits making it reef-compliant and gentleNeed it Sooner? We recommend the PK Safety RKI Equivalent 4 Gas Calibration Gas Mix 34 Liter as a great substitute that is available and ready to ship. The RKI Calibration 4 Gas Mixture in an aluminum 34 liter cylinder. The mixture is 25 ppm H2S 50 ppm CO 50 percent LEL CH4 12 percent 02 in N2. Note: This item ships via UPS Ground due to HazMat restrictions and isn't available for expedited shipping. Calibration gas is not returnable. Please check