A new price came into force on Tuesday to the maximum price of gas cylinder 11.72 euros, including taxes.
The price, which represents a slight increase of 0.45 euros per bottle, will be held for a period of two months.
Bottle prices reached a national high of 17.50 in March 2015 since when they have been reduced by 33% to their present level.
This new price will be held until the third Tuesday of November, when it will be reviewed again in accordance with international prices of raw materials in international markets, freight and any variation in the exchange rate.