Evolution Aqua 4" Bottom Drain with Air Diffuser Condition:Brand New 5" MPT Fitting

5" MPT Fitting

Best results are obtained with a pH between 7

Pond Size Initial Treatment Maintenance Treatment Up to 2500 gallons 1 Tbsp every 3 days (3 times)

These replacement parts are for the Aquascape® Signature Series™ skimmers (discontinued)

When used properly

Evolution Aqua 4" Bottom Drain with Air Diffuser Condition:Brand New 5" MPT FittingThe 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