Ships from manufacturer, typically in 5-7 business days Lifegard Aquatics Chemical Filter Modules provide excellent chemical filtration for aquariums, whether using pelletized carbon, Zeolite, Ion Exchange Resins or other biological media. It can be used as a biological chamber if filled with biological filter media, to provide surface area for beneficial bacterial growth. More than one module can be plumbed together Design ensures 100% flow-through prevents channeling Removable chamber allows easy media replacement and pre-rinsing Carbon can be easily pre-rinsed while inside chamber Automatically vents air out of the unit Highest quality PVC molded parts SKU Model Size Capacity Aquarium Size* Inlet/Outlet Height R179310 AF-93 Individual 7.3oz 100 Gallons 3/4" FPT 1" FPT 14" R179320 AF-93-19 Double 15.6oz 200 Gallons 23.75" R179330 AF-93-29 Triple 24.4oz 300 Gallons 33.5" *Recommended aquarium sizes are approximate. In many cases, modules can be used with great success in higher volume applications Manual