The Aspire Triton Replacement Coils are an advanced BVC-patented technology replacement atomizer with options such as 316L Stainless Steel, Ni200, and Clapton Triton 2 Coils. The 0.4ohm 316L stainless steel construction coil, coded with a black band, is optimal at 25 to 30W and more suitable for direct-to-lung vaping experience. The blue-coded 1.8 ohm Kanthal-wired coil, rated optimal at 25 to 30W, is perfect for mouth-to-lung vape style. All coils are pre-built with 100% Japaneses Organic Cotton to prevent low dry hits and maintain maximal flavoring.