Replacement Impellers for Sequence® Model 4000 Series External Pumps Flow Rate at 3 Feet of Head_1125 GPH All have 1-1/2" male threaded

All have 1-1/2" male threaded inlets & outlets

The Next Generation of Beneficial Bacteria

It has a minimum flow of 2

Does the IonGen™ automatically adjust the amount of ions

Breaks down organic sludge

Replacement Impellers for Sequence® Model 4000 Series External Pumps Flow Rate at 3 Feet of Head_1125 GPH All have 1-1/2" male threadedReplacement Impellers for Sequence Model 4000 Series External Pumps Impeller is circled in the product image. PLEASE NOTE: These Special Order items dropship from the manufacturer. For the most current ship lead time, please see the link "Current Manufacturer Lead Times" in the footer section at the bottom of our website. Owner's Manual Data Sheets