Retro filter bag

Details Retro filter bag Retro filter bag

2007-01-16

2007-01-16

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S238000, C210S315000, C210S416200, C210S484000

Reexamination Certificate

active

10677126

ABSTRACT:
Systems and methods to filter water. A filtration device for a floodable compartment having a water inlet and a water outlet can include a removable filter for being positioned at or near the water outlet of the compartment, a strainer having a first end and a second end, wherein the first end is configured to at least partially surround the filter near the water outlet, and wherein the second end is configured to contact the compartment at least partially around the filter at a point in the compartment between the water inlet and the water outlet. The filtration device can be implemented as a water filtration system for a pool or spa, where the water inlet can be from the pool or spa, and the water outlet can be to a pump.

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