- The cylinder is filled with a quality gas mixture of 98% argon and 2% CO2 from a reputable supplier. 
- The 8 liter refill bottle has a protective safety cover which can be easily removed by unscrewing. 
- Outlet thread on cylinders 21.8 1 / 4W (argon)
-
 The maximum working pressure of a 8 l cylinder is 200 bar, which will 
allow filling with up to 30% argon than the quantity in conventional 
cylinders by 150 bar. 
- In the OMI GAS exchange system, you 
do not pay any unnecessary rents and you have the opportunity to 
exchange it in an expanding network of exchange points. 
- The
 filling of the bottle is empty to full with the exchange system
- One of the conditions for replacing an empty bottle with a full one is
 to keep the residual pressure in the bottle so that the bottle is not 
contaminated with air and therefore also the later filling.
gas composition: 98% argon and 2% CO2
bottle volume: 8 liters
max. 
working pressure: 200 bar 
bottle outlet thread: W 21.8 1/4
the price is for a new bottle + refill
during the subsequent exchange, the price of the filling is 795 CZK 
Possibility to buy only at the stone store