The finest billet aluminum trim lubricant reservoir ever made, with built-in sight glass and optional low-level monitor that connects into factory harness. Mounts easily with interlocking billet mounting bracket and compact to fit almost anywhere. Finally, no more leaks from factory plastic bottles or loose caps. Top it off with our solid stainless steel vented breather cap with knurled grip. Max. 20 oz. Fill 10 oz.Hose fitting not included.