Woikoski-Wiikko for MTK members 20. – 25.4.2026

Members of MTK, Mhy and SLC receive an additional 10% discount on Woikoski membership fees and concession certificates. The member can use the benefit at Woikoski retail outlets from 20 to 24 April 2026. The benefit can be obtained by showing the MTK membership card at the Woikoski retail outlet at the time of purchase.

The additional 10% discount applies to the following MTK member products offered to MTK members. The discount does not apply to AWOcyl products and medical gases.

See your nearest retail outlet

When you come to Woikoski-Wiikko to purchase a Woikoski cylinder and you have a valid rental contract with another gas supplier, Woikoski will credit up to one year of the remaining contract (norm. max. 6 months).

Find out about MTK’s membership benefits