Neptune DOS Pump Head Cap Probes & Cables Longer lasting

Longer lasting

Rowaphos is the professional method of removing Phosphate and Silicate in all types of Aquariums and Ponds

And with an extension cable

or other low flow items that use 1/4" tubing

and other smallmouth fish

Neptune DOS Pump Head Cap Probes & Cables Longer lastingDirect OE replacement fluid metering head assembly for the Neptune DOS Fluid Metering System. The easy to install head replaces the tubing, roller, and plastic housing head cap. Installs in minutes Replaces wearable tubing The Neptune DOS Replacement Head assembly comes with everything to replace the current fluid metering head on your DOS system. Over time the self lubricating tubing will start to age, and can also cause excess resistance and