Sense Screen Mesh 3pk Coils Replacement Mesh Coils for the Screen Mesh Tank by Sense. Both made out of Wood Pulp and Japanese Organic Cotton, the S2 0.23 ohm is a double mesh coil, rated at 60-135W (best at 80-110W), and the S3 is a triple mesh coil, rated at 60-150W (best at 80-120W). The new S3 coil system impressively supports up to 150W output with massive vapor and dense flavor for ultimate vaping experience. Screen S2 0.23 Ohm Double Mesh Coil Rated: 60-135W Best: 80-110W Screen S3 0.34 Ohm Triple Mesh Coil Rated: 60-150W Best: 80-120W Available in 3 packs.