Replacement Parts for Lifegard Aquatics All-in-One® Pond Filter Systems Part:R442018 They can be used between

They can be used between mats of a pressurized filter or in the bead chamber of a bead filter

giving great flow rates and minimal electricity use

Complete Aquatics Bio-Balls are compact

since there are teeth on both sides

Will not harm biological filtration and may be used on scale less fish

Replacement Parts for Lifegard Aquatics All-in-One® Pond Filter Systems Part:R442018 They can be used betweenShips from manufacturer, typically in 5 7 business days These replacement parts fit the Lifegard Aquatics All in One Pond Filter Systems. Item SKU UPC Code Description 1 R440024 788379502386 Complete Add On Cartridge 2 R440026 788379310790 Sponge ONLY for Cartridge 3 R442004 788379315252 Fountain Kit 6 R270484 788379304713 1" MPT x Close Threaded Nipple 7 R442007 788379315283 Single Layer Locking Assembly 8 R442008 788379315290 Double Layer Locking