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Please use our calibration gases for testing and in a safe manner. 

Question: What quality assurances do you offer?

Answer: All gases are highly purified to NIST standards, come with a 12- to 24-month expiration date (Chlorine is six months, the longest in the industry), lab certification, and a 100% money back customer satisfaction guarantee.

10-20 ppm +/- 5%
21 ppm – 10,000 ppm +/- 2%
1% - 95% +/-2%

Reactive (H2S, NOx, NH3, SO2):

5 – 9 ppm +/- 20%
10 - 20 ppm +/- 10%
21 – 100 ppm +/- 5%

Reactive (CL2):

2 - 10 ppm (+/- 1 ppm)

Question: What is the warranty?

Answer: Gases come with a 1-2 year warranty depending on the gas, with the exception of chlorine which has a six-month warranty.

Question: What is the shipping fee?

Answer: At checkout, every calibration gas order will be charged $39 which covers the Hazmat Handling Fee and ground shipping. Order as many gases you like and only pay $39 at checkout. 

Question: How soon do the gases ship?

Answer: Generally all orders ship within 2-4 business days.

Question: How do I send in my recyclable refill bottles?

Answer: Go to Peel off the label to reveal the return label and ship them back at no charge.

Question: Will these gases void the warranty on my gas detector?

Answer: No, these are highly purified calibration gases and are exact matches to the gas you currently use.

Question: How much of a discount do I get when using the refill program?

Answer: Gases are 20% off minimum.

Question: How do I dispose of my gas cylinders?

Answer: It really depends on the state that you live in and their disposal regulations. Always vent the tank to make sure the all gas has been removed. For disposable cylinders -take a screw driver and press the tip, hit the screw driver with a hammer to push tip in. Some companies also drill a hole in the bottom and top before throwing the tank in the trash or recycle bin. For refillable bottles - return to us with the return label that is affixed to the bottle and have it refilled or just recycled.


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