2″ Hub Only… Utilizes 6 Laterals

For 18″, 21″ or 24″ tanks. Includes an ABS hub and eight PVC slotted laterals with threaded adaptors.

3″ Hub Only… Utilizes 8 Laterals

3″ Plastomer Bottom Diffuser Assembly Includes bottom diffuser and 3″ PVC female adapter. 3″ PVC Riser Pipe Not Included.

For 14″ and 16″ tanks. Includes an ABS hub and eight PVC slotted laterals with threaded adaptors.

For 18″, 21″ or 24″ tanks. Includes an ABS hub and eight PVC slotted laterals with threaded adaptors.

For 30″ tanks. Includes an ABS hub and eight PVC slotted laterals with threaded adaptors.

For 36″ tanks. Includes an ABS hub and eight PVC slotted laterals with threaded adaptors.