Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO doesn't start or makes a

doesn't start or makes a grinding sound

Reliable and quiet

Amps Connection Solids

These highly-efficient models use the latest filtration technology to decrease maintenance time and provide quick

fish and aquatic life

Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO doesn't start or makes aThe EVO 4" Aerated Bottom Drain is made of heavy duty Schedule 80 PVC. It features both a 4" horizontal pipe fitting and a 1" side mounted aeration pipe fitting to make aeration simpler. The center stand pipe can be adjusted, threading to the underside of the aeration plate and gluing to the bottom of the drain base. Includes stainless steel screws, liner ring and aeration disc with plate. We recommend between 30 and 100 liters of air per minute with