Sequence® Model 4000 Series External Pumps Helix Life Support use air stones rather than

use air stones rather than these diffusers

Reduces pond oxygen demand

and contains all the bacteria needed to digest pond wastes

Salt Water Compatible

the drain can be easily moved to a more shallow part of the pond leaving the warmer water in the lower parts of the pond undisturbed where the fish collect in colder temperatures

Sequence® Model 4000 Series External Pumps Helix Life Support use air stones rather thanThe Sequence Model 4000 Series has an expansive design that can perform on all levels, producing high flow rates with medium pressure. Complete with 2" FNPT and buttress thread ports and unions for ease of use. Not self priming, requires strainer basket priming pot Includes 8' 115V cord Dual voltage motors are shipped 115V but can easily be field changed to 230V. There is a wiring diagram on the side of the motor showing high volt or low volt. for