EasyPro Medium Head External Pumps High Head Provides ideal housing in which

Provides ideal housing in which to install an autofill

zinc sulfate

you can protect your air pump by preventing excessive back pressure

organic algaecide that works on even the toughest of algae problems without harming fish

Nexus Model:  Water Volume Inside Filter Amount of K1 Micro Media included Amount of K+ Media included Maximum K1 Capacity Nexus220 135 US Gallons 18 liters 50 liters 150 liters Nexus320 222 US Gallons 20 liters 100 liters 300 liters EasyPod (for comparison)  21 US Gallons 18 liters N/A 18 liters

EasyPro Medium Head External Pumps High Head Provides ideal housing in whichEasyPro Medium Head External Pumps are great quality, affordable pond pumps featuring built in strainer baskets with clear lids, making inspection easy. Inlets outlets equipped with unions Discharge on GV100 and GV150 can be rotated 6' power cord on all models Safety rated for pool use 1 year warranty UL listed SKU HP Volts Amps Self Priming? Max Flowrate Max Pump Head Wt GV75S 3 4 115 8. 8 Yes 4260gph 60' 21lb GV100S 1 115 10 Yes 5340gph 68' 23lb