This filter has been replaced by part # 311001. The new filter will come with adapterd to fit all sizes of hose.
You must buy the complete filter even if you are replacing your old style filter to get the hose adapters
When installed properly the SeaLand / Dometic Sani Guard Vent Filter will prevent offensive odors from escaping through the tank vent thru hull.
SeaLand / Dometic's finely calibrated filter media is 2.4 times more effective than competitors products.
Replacement of the filter catrtridge every year will provide an odor free environment. Replacement cartridge # 309310006.