Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO 4000 Gallons 1800gph 15W 1

4000 Gallons 1800gph 15W 1

Lifts debris to the surface of the pond

This beneficial bacteria blend is instrumental to a proper spring opening and organic balance in ponds

doesn't start or makes a grinding sound

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

Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO 4000 Gallons 1800gph 15W 1The 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