Prefilter Sponge 450x160x160mm PM1300 To 4900 pellet Feature and Benefits:

Feature and Benefits:

clearer and healthier aquarium inhabitants

where excreted fish oils accumulate

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Prefilter Sponge 450x160x160mm PM1300 To 4900 pellet Feature and Benefits:Prefilter Sponge 450x160x160mm PM1300 to 4900 The prefilter sponge connects to the intake of the Pond One Pondmaster range of pond pumps to allow a larger water intake area reducing the stress on your pond pump. The blue open cell foam traps larger debris and dead leaves so they don't get clogged up in your filter. The Blue foam is a superb water filtration material because it provides a good home for nitrifying filtration bacteria to grow and to