U-Tube with Directional Return (1 Inch) Eels or frequent frozen feeding

or frequent frozen feeding

Also removes chlorine and chloramines

increasing the battery output voltage required for Vectra pump operation in backup mode

Select the overflow according to the actual return-pump flow reaching the aquarium after head-pressure loss

then increase by up to 10% per week only if needed

U-Tube with Directional Return (1 Inch) Eels or frequent frozen feedingU Tube with Directional Return (1 Inch) U Tube with Directional Return (1 Inch) is a larger aquarium return U tube with an adjustable directional nozzle for 1 inch inside diameter flexible vinyl tubing. 1 Inch Over Rim Return U Tube This return fitting provides a clean way to bring water from a sump, utility pump or external plumbing line back into the aquarium. The directional nozzle lets the user aim return flow to improve circulation, surface