RKI Instruments GX-3R Calibration Kits

Calibration kit, regulator, case and tubing.

Starting at $365.00
Due to restrictions on hazardous shipping, a $54 hazardous materials fee will be added to your shipping costs & shipping may take longer.
Effective May 12th, 2025 RKI has added a 5% surcharge for all of their products. The surcharge will appear as a separate line item on the order.

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  • Usually ships in 7-10 business days