Tetra Pond Gravity Flow Filters for Ponds Excluding UVC

Tetra Pond filters are low cost yet work extremely well on ponds up to 1000 gallons capacity. There are 3 models available. Water trickles over the bio-rings that provide massive surface area for aerobic bacteria to thrive. Venturi inlet supplies oxygen for aerobic bacteria.

Tetra Pond Gravity Bio Filters: There are 3 models to suit pond sizes as follows ...; 500 gallons; 7900 gallons; 1000 gallons

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