Evolution Aqua 4
Evolution Aqua 4' Bottom Drain with Air Diffuser

Evolution Aqua 4" Bottom Drain with Air Diffuser

Price: $449.99
Part Number: BTMDRA4L
Availability: In Stock Free Shipping
The Evolution Aqua Bottom Drain The most noticeable feature of the drain is the extra 1" diameter Pressure pipe connection in the sump of the drain. This allows an air supply hose to enter the sump independent of the water outlet pipe. This eliminates the possibility of any restriction to the water flow and it is also somewhere else for blanket weed to attach.

The membrane and backing plate on the bottom drain fits into a recess in the specially manufactured dome (provided). The recess in the it prevents the membrane from becoming detached. The complete assembly is secured to it by means of a stem, which also provides the air inlet. The air inlet is via a nickel plated connector.

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