Confined Space 4-Gas Monitor Calibration Kits GFG G450 Cal Kit Reviews

5 Rating 3 Reviews

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Gary Yingling

Verified Reviewer

“Every thing worked great easy to use will be doing business again”

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Posted 1 year ago

Rebecca Crouch

Verified Reviewer

“When I ordered my gas meter I ordered this calibration kit. The great thing is that not only did I receive my product within 2 days but everything shipped together in the same box. How convenient!! Thank you Corby!!”

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Posted 3 years ago

Tracy Puckett

Verified Reviewer

“The calibration kit is easy to use, well made and well worth the price. We will definitely be buying from Major Safety again.”

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Posted 3 years ago