Thiết bị đo độ tinh khiết khí CO2 trong bao bì, gói Zahm & Nagel PART #10009 CO² PURITY TESTER 95-100% IN 0.1%
The Zahm CO² Gas Purity Tester is an improved absorption bottle designed to eliminate confusing cocks, hose connections, awkward manipulation, and the usual caustic spillage. It makes gas testing simple, fool-proof, clean, and highly accurate.