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For Certifier™ and Certifier™ Plus test systems, connects to the high flow module.

For Certifier™ and Certifier™ Plus test systems, connected to the high flow module.

Replacement Modem Power Supply

High Pressure is available on the Certifier™ Plus High Flow Module 4081 and Certifier Pro 4090 instrument.

IAQ Calc Calibration Collar

Accessory for a number of TSI products.  Air velocity, temp and humidity probe.

Adapter for the PortaCount Respirator Fit Tester

Adapter for the PortaCount Respirator Fit Tester

Adapter for the PortaCount Respirator Fit Tester

Adapter for the PortaCount Respirator Fit Tester