Easy to use - simply replace the old cartridge with a new one every two weeks, Double insulated pump
The number on the actual item seen in the image is 637R, is the component part number that corresponds to the individual part for the system and this does not pertain to the model # 56637EG.
Air release valve for air trapped inside filter chamber.we do not suggest operating the pump for more than 8 hours per day
Sediment flush falve at bottom of filter chamber
Works with 15-feet Easy Set, 15-feet Metal Frame, or 18-feet by 10-feet Oval Frame pools. the hoses are 1-1/4 so if you need 1-1/2 you need an adapter.