GC Tek PoliGlassBead XStream Polishing Filters Hikari When used with recommended air

When used with recommended air flow

50% or more of desirable bacteria are rendered inactive by the freeze-drying process

use air stones rather than these diffusers

chaotic movement of the air from your pump causes the media to self clean and thus requires no maintenance

Polish AC™ can be disposed of with normal waste service

GC Tek PoliGlassBead XStream Polishing Filters Hikari When used with recommended airShips directly from the manufacturer, typically in 1 2 weeks. Ships freight, which extends shipping time and requires you to be present at delivery. Trucking company will call to schedule appointment. The PoliGlassBead XStream polishing filters are specifically designed for extreme conditions where extra polishing is required runoff from flooding, fish spawning, and other extraneous conditions. This filter is designed for pond keepers who want a pond