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Order as many gases you need for the Flat $34.99, Orders Over $275.00 Ship for Free! 

All Calibration Gas Orders Under $275.00 Ship For a Flat $34.99 for all Gas Cylinders Ordered.

Free Shipping on All Calibration Gas Orders Over $275.00 (No HazMat Fee or Handling Fees)

(Initially All Orders Ship FedEx Ground, we can expedite your order, we can also ship via UPS if needed.) 

All products must be shipped within the Contiguous United States.


Our Products are only available for business customers with verifiable United States business/commercial use applications. Since they are pressurized cylinders and considered Hazardous Material, orders can only be shipped to a confirmed Business / University address. Please provide your Business name and a commercial shipping address on your order. All orders will be reviewed before they are approved for shipment. Cal Gas Direct Incorporated reserves the right to cancel orders at its discretion.

Products are not intended for use with wine machines, food, or medical purposes. All products are only for the calibration of monitors and detectors by professionals.

We do not Ship to Freight Forwarding Services.


Depending on your location and gas mixture availability we can ship either from the Oldsmar, Florida Plant or the Pasadena, Texas Plant.

Lead Time

Orders Typically ship 2-4 Days after placed, Plus ground shipping to your location. We can rush your Order if needed. 

Expedited Shipping / Overnight Shipping / Rush Orders are Available please contact us for details

 Will Calls

We offer Will Calls both in Oldsmar Florida, and Pasadena Texas for same day or next day pickups. Contact us to make sure the gas is available for pick up at your desired location.


Free Shipping on All cylinder orders Over $275.00 (No HazMat Fee or Handling Fees)

Calibration Gas Cylinder Orders Under $275.00 Ship for a Flat FedEx Ground Fee of $34.99 applied at checkout. (Includes Haz-Mat and Shipping for $34.99 Total, No Hidden Handling Fees)

Expedited Shipping / Overnight Shipping / Rush Orders are Available please contact us for details


When your order ships you will receive an automatic email providing your tracking number.


Regulators Ship FedEx Ground For Free 

Expedited Shipping / Overnight Shipping / Rush Orders are Available please contact us for details


Cases Ship FedEx Ground For Free 

Expedited Shipping / Overnight Shipping / Rush Orders are Available please contact us for details



EXPEDITED / Priority Overnight/ Standard Overnight / FedEx 2 Day Delivery

Expedited Shipping: Your order in many cases can be expedited to a FedEx 2Day or an Overnight delivery. Call us directly for expedited shipping options/pricing 888-349-6042.

Priority Overnight®

Standard Overnight®

FedEx 2day®

Additional Air shipping Fees Apply



Since this product is considered HazMat by all major carriers we are not able to ship to an APO, FPO, DPO, or P.O. Box address, Hotels, Motels, and residential addresses that are not associated with a confirmed business.

All products must be shipped within the Contiguous United States, Cal Gas Direct Inc does not ship Internationally.

 All products will ship FedEX ground by default. Ground shipping takes approximately 1-5 business days depending on ship to location. Deliveries are Monday Through Friday.  Other ship methods may be available depending on the Product, Please contact us for shipping options.

We do make exceptions for some companies to ship Internationally additional fees will apply

Use Coupon Code "freeship275" to ensure  free shipping over $275.00

United States customers outside the Continental United States, such as Hawaii, Puerto Rico, or Alaska, will incur additional shipping costs. We will contact you before any additional charges are processed.

*Free Shipping is not available outside the Continental United States since all shipments outside of the Continental United States must be shipped via air, such as Hawaii, Puerto Rico, or Alaska.

Please note our internal SKUS may differ than the manufacturers

The Majority of our Calibration Gases are Blend to Order (BTO) to ensure the longest shelf life.                    

Standard Lead Time for Production is as Follows: (Rush Orders Available)


3-4 Days

H2S or H2S Mixes

2-3 Days


2-3 Day

Shipping Locations:

Oldsmar, Florida

Pasadena, Texas


Instructions on returning ecosmart™ cylinders:


A New Process For Free Return Shipping


Thank you for participating in the ecosmart program and taking the leap in becoming "Earth Conscious".


For your benefit, we streamlined the process to obtain return labels for ecosmart cylinders. No more waiting for e-mails!  


1. Go to www.gascogas.com 



2. Click on the ecosmart returns button (located in the top right hand corner)



3. Complete Form (allows up to 4 Labels a form - each box cannot exceed over 80 lbs.)

   . Label is ready to Print (SEE message box at top of page to print after completing form)




For any questions about this new process, please call 1-800-910-0051



Since most cylinders are non-refillable, GASCO ecosmart cylinders must meet requirements set forth in the Department of Transportation’s Part 39 Regulations. Part 39 prohibits filling these cylinders with toxic gases.. The walls of a steel cylinder expand if refilled causing unstability of the gases inside.  An aluminum ecosmart cylinder is specially treated and has a thicker wall that meets DOT standards  for refilling.  It is also easy to Ship empty cylinders back to GASCO for refill at no cost to you by going to the GASCO website and printing out a FedEx no charge return label. Ecosmart cylinders cannot be taken to any other location for refill.



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