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The improved Zahm Gas Purity Tester makes testing simple, fool proof and clean. The unit is mounted on a Bakelite frame with the absorption bulb securely held by rubber covered bands. Bulbs are equipped with Teflon stopcocks and the unit is housed in a metal case.


T-03-010 | Zahm Gas Purity Tstr 99-100% X .1%, W/Protective Case


T-03-027 | Zahm Gas Purity Tstr 99-100% X .01%, With Plastic Protective Case



Carbon Dioxide Purity Tester, Zahm

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