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Purchase orders should be delivered via email, mail, physical delivery or via fax to 603-218-6428. All Purchase Orders are subject to acceptance of Environmental TEst Products, Inc. (“ETP”).

Volume Pricing

Call us and let’s see if we can help you out. 1-877-505-1789.


On this website credit card payments are accepted. We do set up accounts with our customers on approved credit. Our normal terms are payments in net 30 days.


All prices F.O.B. factory.

Product Changes

The right is reserved to make changes in pattern, design or materials when deemed necessary, without prior notice. Products which have become obsolete by reason of design change or discontinuance may not be returned for credit.

Returned Goods

Materials must not be returned unless consent has first been obtained from ETP.

Risk of Loss/Damage

All goods are at the risk of the purchaser after they have been delivered by us to the carrier and receipt obtained for same (in good order).


ETP will not be responsible for delays resulting from strikes, accidents, failure of suppliers, negligence of carriers, or other causes beyond its control.


Complaints concerning defective goods or errors shall be made immediately by phoning ETP at 877-505-1789 or emailing

Also see more information on our Shipping and Returns page.