OXYMAT 6, 19" Built-In rack unit for installation in cabinets Pipe with 1/4" outer diameter 5% reference gas pressure 3000 hPa Non-flow-type compensation branch: made of stainless steel, mat. No. 1.4571 Hose made of FKM (Viton) , 100 to 120 V AC, 48 to 63 Hz Reference gas and sample gas (with flow indicator and pressure switch for sample gas) Without English Telescopic rails (2 units) TAG labels (specific lettering based on customer information)