Primus Eta Power 2.1 Litre Camp Pots are manufactured from strong but lightweight anodized aluminum with a multi-layer titanium nonstick surface on the inside. The Primus Eta pots have lids & separate handles, & are equipped with a heat exchanger on the pot base that makes your stove Approx. one third faster & 33% more efficient. The Primus Eta pots can be used with any existing LP gas or multi fuel burner on the market.