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Ideal for porous surfaces like concrete block or brick
Some models available with anti-fog coating
this self-retracting lifeline delivers greater durability
the TR-6510N provides a streamlined combination cartridge design that simplifies cartridge selection
Gasco 58ES-13-25 Ecosmart 25 PPM Ammonia Balance Nitrogen Calibration Gas - Refillable 58 Liter, 1 Each 3M-Descent-Rescue-Master Ideal for porous surfaces likeGasco 58ES 13 25 Ecosmart 25 PPM Ammonia Balance Nitrogen Calibration Gas Refillable 58 Liter, 1 Each The Gasco 58ES 13 25 Ecosmart 25 PPM Ammonia Balance Nitrogen Calibration Gas Refillable 58 Liter is a precision calibration gas used to calibrate sensors in gas detection equipment for environmental emissions monitoring, industrial hygiene monitors, and trace impurity analyzers. It is fully compatible with all manufacturers' calibration sensors,
