Reducing PVC fitting for 4" EBD4 and EBD4A Bottom Drains
This fitting is used with 4" bottom drains to allow them to accept 3" PVC pipe.
Features:
Ammonia is one of the most common killers of fish. It is the main waste product produced by fish and can become dangerously high from overfeeding, spawning, inadequate filtration or over crowding.