Negative ion generators -  negative ionizers - air purifiers by Comtech Research LLC (logo) (TM)

Shipping Rates, Methods, and Delivery times

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No Handling Fees

   Shipping rates are our Actual Discounted costs. We Do NOT charge a handling fee or charge for the packaging material. Insurance included.*

Your Order will be Packed Carefully
and Shipped ASAP with a Tracking #.

Many items offered on our web sites are usually in stock, so we can often ship the same day if you place your order before 2 PM Central time.

Domestic Shipments
to the Continental USA

United States Postal Service mail For most shipments, we currently recommend USPS Priority Mail with Delivery Tracking.
 IT IS THE LEAST EXPENSIVE METHOD and has been the most reliable method, with almost no damage in shipment.
  Your tracking number is e-mailed to you from or when the order is ready to ship.



Shipping weight: approx. 1 lb. per IG-133, IG-133A, or DustGrabber™ (220 volt models weigh about 25 ounces).

Delivery times and rates are subject to change. Not all shipping methods are available to all states or countries.


Canada and Overseas

United States Postal Service mailWe usually suggest USPS Global Priority Mail with Delivery Tracking.

This is the preferred method to areas other than the United States because it usually costs much less and they do not charge a brokerage fee like UPS or Federal Express does.


Please click here for more details on international or overseas orders, especially for countries that use a different voltage and plug than our standard North American ionisers.


COD (Cash On Delivery)

COD is ONLY available for shipments within the USA.
It is impossible to ship an order COD to outside the USA.


  Shipping method is at our discretion. If you are outside the USA, Please click here for additional info.


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Toll-Free Order Line: 1-866-IONIZER (1-866-466-4937)
Offices: 1-417-452-2237 Monday to Friday 9-5 Central time

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Comtech Research, LLC, Air Purifying & Cleaning Systems & Equipment, South Greenfield, MO

In Business Since 1989