For sale: Primus Sievert butane gas cylinder, 5 lb size, original Swedish, vintage. There is a small dent shown in the pictures that does not affect it. It is free of leaks. The needle, head, valve, and burner have been replaced with Primus model 4-2077 Italian parts. Its flame is good and it is free of leaks. Selling to the highest bidder. Location: Al-Shifa district - Riyadh.