Kevko's New Breather tank has an internal baffle, #12 AN fitting, 1/4\" pipe bung with drain petcock. Comes complete with 1-1/2\" breather & hose clamp. Tank mounting holes are 6-1/2\" apart. Tank dimensions are 4\" wide, 5\" tall, 3\" deep. Easily mounts to firewall. Great way to clean up leaky valve cover breathers and messy engine compartments.. Includes 1-1/2\" Breather and hose clamp 12 AN inlet fitting 1/4\" NPT Petcock drain valve Easily mounts to firewall Tank dimensions 4\"W x 5\"H x 3\"L