ISTA CO2 Set Delcias de Bistr festas e eventos: Eventos corporativos caf da manh. TUV safety regulation approved seamless aluminum CO2 cylinder. Supporting base included to prevent chance of falling of the CO2 cylinder to lead to further damage to the CO2 regulator. Pressure reduced design to provide most stable and reliable pressure output 3 in 1 compact CO2 diffuser with CO2 bubble counter, check valve and diffuser easy in installation, assurance of best diffusing effect and easy ceramic replacement. Pipe holder to prevent CO2 pipe bending. CO2 indicator provides continuous and accurate monitoring CO2 level, plastic color chart sticker is reusable for changing the location. Includes: Air pipe CO2 pipe holder 3 in 1 compact CO2 diffuser CO2 indicator solution CO2 indicator Vertical pressure reduced regulator Cylinder supporting base 1 litre aluminum CO2 cylinder