Description Aluminum breather tanks are 11-1/2″ x 3″, include mounting bracket, clamp on breather element, drain, and one or two 3/8″NPT bung(s). ALL36109 can vent two systems. Ideal for dry sumps and rear ends. Allstar Breather Tank- 2 Bung Additional Features: Alum. Breather Tanks. 11-1/2″x3″. Comes with Mounting Bracket,Breather,Drain. Ideal for Dry-sumps and rearends. Also used For Valve Cover Puke Tank!