GC Tek Biological Media Pressure-Treated Pine a stiff nylon cone brush

a stiff nylon cone brush that eliminates algae in hard-to-reach places

Quickly move old water out of the aquarium and new

Proven in laboratory tests to be 3 times more effective than other carbons

Outer 75"W 47"D 85"H Other 5' Covington Arbors w/o Deck Inner 60"W 40"D 81"H

PBF300S-PBF600S Manual PBF1800-PBF10000 Manual PBF1800BL-PBF10000BL Manual

GC Tek Biological Media Pressure-Treated Pine a stiff nylon cone brushShips directly from the manufacturer, typically in 5 7 business days Filter beads are a floating media. The more buoyancy the beads have, the more effective they are. To increase buoyancy, each bead has been injected with air during manufacturing. This way, the beads stay afloat and stay away from the outlet slots on the bottom laterals, preventing the laterals from being clogged, which would prevent debris from being flushed out of the filter. In