CO2 GAS PURITY TESTER . FOR BEVERAGES ONLY !
ZAHM & NAGEL

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.

03-010 Zahm Gas Purity Tstr 99-100% X .1%
03-027 Zahm Gas Purity Tstr 99-100% X .01%