Compatible for DotAIO Air Flow Tuning Disk 510 Connector behind Disk for Rebuild 4.2mm Maximum Coil Height In Chamber 2.5mm Pan Head Phillips Post Screws SS316F & PEEK Insulators . 1 x Jouzu RBA + Reservoir Top 2 x Spare Post Screws, 1 x O-ring Kit 1 x User Manual 1 x Warranty Card