Designed to fit ALL models ETSS skimmers
The air filter assures no extraneous airborne particles get into the skimmer and filters out airborne pollutants . Allows air intake from a clean/cool remote (up to 20 ft) location.
Connects to the air intake hose barb of the ETSS skimmer.
Filter cartridge must be filled with carbon filter media. Same as used to filter tank water.
One filling should last 8-12 months.