Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO All lights feature 60° beam

All lights feature 60° beam angle and 20' power cord

Simple to install and maintain and easy to camouflage

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

4000 Gallons 1800gph 15W 1

Evolution Aqua 4" Bottom Drain with Air Diffuser AquascapePRO All lights feature 60° beamThe 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