Evolution Aqua 4" Bottom Drain with Air Diffuser Condition:Brand New Zapp Pure Ultraviolet Clarifier

Zapp Pure Ultraviolet Clarifier

Control water metals and prevent surface stains

adding new fish or changing pond water

Add a beautiful water display to your small pond or water garden with the Oase 1/2" Nozzle Set

Evolution Aqua 4" Bottom Drain with Air Diffuser Condition:Brand New Zapp Pure Ultraviolet ClarifierThe 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