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Gravity and multi-stage filters move water through separate mechanical and biological chambers. Ideal for koi ponds plumbed with bottom drains.

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3 products

Teton XK Filters
Teton
Teton XK Filters Sale priceFrom $1,249.98
Matala BioSteps II pond filter
Matala
Matala BioSteps Pond Filter Sale priceFrom $220.00
GC Tek BioMotion BioVerter Fluidized-Bed Filter
GC Tek
GC Tek BioMotion BioVerter Fluidized-Bed Filter Sale priceFrom $1,644.95