Dry-Shut coupling system insures that your Tote or Drum set-up is a completely closed system. When you disconnect the female coupler from the male adapter they both seal shut eliminating any chance of spills. The Dry-Shut system includes a Male Dry-Shut valve, 90° elbow and a Drum pump adapter with 2" NPT Threads that screws into your tote or drum. Also included is a Female Dry-Shut with 3/4" hose barb to attach to your pump inlet. 4' of 3/4" Suction hose with a hose barb to attach to the drum pump adapter is also included.