The SR 328 test adapter is used for connecting the SR 100 / SR 900 / SR 90-3 half mask Air Purifying Respirator
(APR) to a measuring instrument for carrying out quantitative fit test. The adapter is connected to one of the
exhalation valves of the mask.
I have used SupplyNow a lot in the last year and it is always the same experience. Prompt, great customer service and very quick delivery. I will continue to use SupplyNow for my construction business.
A very easy purchase and delivery process. Super convenient to order from an email and have all of my gear arrive the next morning via courier ready to be used.Steve G.
Excellent service, delivery was quick, product was as advertised, overall a great purchasing experience.
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