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Thank you for visiting!

Special welcome to National Safety Products and TestProducts clients.

We value all of our customers and appreciate your patronage.

2019 Holiday Schedule

Inspect USA will be closed on the following days:

  • Thursday, November 28th and Friday November 29th , 2019.
  • Tuesday, December 24th through Thursday, January 2nd, 2020.

Our preferred and most efficient way to respond is by way of an email. Customer Service is available throughout the day to respond to eMails promptly. Each response will be made in the order received. Please give as much information as possible to assist us in servicing you better.

We do offer limited telephone support. See below.

Contact info 24/7:

  • Prompt eMail support:
  • Radon results: or eMail
  • For vendors:

Phone center:

  • Monday - Friday 9am to 4:00pm Eastern
  • Closed Saturdays and Sundays.
Toll free: 877-424-3600


Mailing and payment address:
Inspect USA, Inc.
428 Barnes Branch Road
Marshall, NC 28753

To return radon test devices for analysis, use:

Radon Lab
2 Saber Way
Haverhill, MA 01835

Radon Lab

FOR RETURNS, SHIPMENTS OR ANY OTHER DELIVERIES, eMail US TO GET THE PROPER DELIVERY ADDRESS and ROUTING CODE FOR THE LOCATION TO RECEIVE PARCEL. eMail with as much information as possible so we can get you the proper address and routing code.


To view our shipping and returns policies, please click on Shipping

Please visit our store frequently as we are always adding new products. Also, check our Specials page.

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Specials more
Indoor Air Quality Meter Logging (PM-1064SD) Measure PM2.5, CO2, Temp & RH
Indoor Air Quality Meter Logging (PM-1064SD) Measure PM2.5, CO2, Temp & RH
$549.00 $399.00
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Pinless Wood Moisture Meter 0-50% (MS-7013) 8 Settings
Pinless Wood Moisture Meter 0-50% (MS-7013) 8 Settings
$119.00 This item is not available online. eMail sales at for our best pricing as well as quantity discounts and Lead Time.
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